# Rookus family — Dylan Slagh genealogy research > 22 people, 1771–1904. Each record gives dates, places, parents, spouses, children and the person's own page. From Dylan Slagh's research, which started from an Ancestry tree and is being checked against original records: treat it as leads, not proof. Living people and people without verified dates are left out. Contact: dylanslagh@gmail.com. Web page: https://genealogy.dylanslagh.com/surnames/rookus · JSON: https://genealogy.dylanslagh.com/surnames/rookus.json · All surnames: https://genealogy.dylanslagh.com/surnames.md ## Married into the Rookus family Wives of men in this family. Records often call them by the Rookus name; their full records are filed under their maiden names. - [Johanna Castel (1764–1822)](https://genealogy.dylanslagh.com/people/johanna-castel-1764-1822-i222687643669), wife of Pieter Rookus (1771–1823) · full record: https://genealogy.dylanslagh.com/surnames/castel.md - [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785), wife of Jacob Rookus (1847–1922) · full record: https://genealogy.dylanslagh.com/surnames/pyl.md - [Ida Bos (1879–1955)](https://genealogy.dylanslagh.com/people/ida-bos-1879-1955-i222686318105), wife of Jacob Rookus (1878–1948) · full record: https://genealogy.dylanslagh.com/surnames/bos.md ## Pieter Rookus (1771–1823) - Page: https://genealogy.dylanslagh.com/people/pieter-rookus-1771-1823-i222687643668 - ID I222687643668 · Dylan Slagh's 5th great-grandfather · Slagh side of the family - Born: 1771, Oostburg, ZE, Zeeland, Pays-Bas - Died: 11 Mar 1823, Zaamslag, ZE, Zeeland, Pays-Bas - Spouse: [Johanna Castel (1764–1822)](https://genealogy.dylanslagh.com/people/johanna-castel-1764-1822-i222687643669), married 23 Sep 1792, Kleverskerke, ZE, Zeeland, Pays-Bas - Children: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) ## Johanna Rookus (1822–1826) - Page: https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678 - ID I222687643678 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 14 Nov 1822, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 10 Nov 1826, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Jacoba Rookus (1823–1887) - Page: https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672 - ID I222687643672 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 5 Nov 1823, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 26 Apr 1887, Dordrecht, Zuid-Holland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Pieter Rookus (1826–1836) - Page: https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683 - ID I222687643683 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 24 Aug 1826, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 8 Oct 1836, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Janna Rookus (1827–1828) - Page: https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675 - ID I222687643675 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 27 Nov 1827, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 27 Jan 1828, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Jan Rookus (1830–1831) - Page: https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676 - ID I222687643676 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 16 Nov 1830, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 23 Apr 1831, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Johanna Rookus (1832–1881) - Page: https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679 - ID I222687643679 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 25 Jan 1832, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 18 Apr 1881, Beaverdam, MI, Michigan, USA - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) - Research summary: Johanna Rookus, aged 17, is listed with her parents on the General Harrison, which reached New York on 30 June 1849, according to an index of New York passenger manifests. ## Jacobus Rookus (1833–1833) - Page: https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673 - ID I222687643673 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 11 Mar 1833, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 1 Apr 1833, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Jacobus Rookus (born 1835) - Page: https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674 - ID I222687643674 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 4 Jan 1835, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) - Research summary: Jacobus Rookus, aged 14, is listed with his parents on the General Harrison, which reached New York on 30 June 1849, according to an index of New York passenger manifests. ## Neeltje Rookus (1836–1837) - Page: https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681 - ID I222687643681 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 20 Feb 1836, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 7 May 1837, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Pieter Rookus (1838–1914) - Page: https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670 - ID I222687643670 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 17 Sep 1838, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 6 Apr 1914, Zeeland, MI, Michigan, USA - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) - Research summary: Pieter Rookus, aged 11, is listed with his parents on the General Harrison, which reached New York on 30 June 1849, according to an index of New York passenger manifests. ## Neeltje Rookus (born 1839) - Page: https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682 - ID I222687643682 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 8 Dec 1839, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Female Rookus (1841–1841) - Page: https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671 - ID I222687643671 · Dylan Slagh's half-4th great-aunt · Slagh side of the family - Born: 12 Jan 1841, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 12 Jan 1841, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Jan Rookus (1842–1842) - Page: https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677 - ID I222687643677 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 15 Mar 1842, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 16 Mar 1842, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Male Rookus (1845–1845) - Page: https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680 - ID I222687643680 · Dylan Slagh's half-4th great-uncle · Slagh side of the family - Born: 18 Aug 1845, Zaamslag, ZE, Zeeland, Pays-Bas - Died: 18 Aug 1845, Zaamslag, ZE, Zeeland, Pays-Bas - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677); [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) (half) ## Jacob Rookus (1847–1922) - Page: https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745 - ID I222686862745 · Dylan Slagh's 3rd great-grandfather · Slagh side of the family - Born: 5 Jan 1847, Zaamslag, Terneuzen, Zeeland, Netherlands - Died: 17 Nov 1922, Zeeland, Ottawa County, Michigan, USA - Buried: Zeeland, Ottawa County, Michigan, United States of America - Father: [Jacob Pieters Rook (1799–1851)](https://genealogy.dylanslagh.com/people/jacob-rook-1799-1851-i222687643448) - Mother: [Maatje Koelenhoek (1805–1874)](https://genealogy.dylanslagh.com/people/maatje-koelenhoek-1805-1874-i222687643477) - Spouse: [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785), married 1877 - Children: [Jacob Rookus (1878–1948)](https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065); [Nellie Rookus (1879–1949)](https://genealogy.dylanslagh.com/people/nellie-rookus-1879-1949-i222686862876); [Maggie Rookus (1880–1956)](https://genealogy.dylanslagh.com/people/maggie-rookus-1880-1956-i222686862920); [Minnie Rookus (1884–1967)](https://genealogy.dylanslagh.com/people/minnie-rookus-1884-1967-i222686862948); [Hattie Rookus (1893–1967)](https://genealogy.dylanslagh.com/people/hattie-rookus-1893-1967-i222686862986) - Siblings: [Johanna Rookus (1822–1826)](https://genealogy.dylanslagh.com/people/johanna-rookus-1822-1826-i222687643678) (half); [Jacoba Rookus (1823–1887)](https://genealogy.dylanslagh.com/people/jacoba-rookus-1823-1887-i222687643672) (half); [Pieter Rookus (1826–1836)](https://genealogy.dylanslagh.com/people/pieter-rookus-1826-1836-i222687643683) (half); [Janna Rookus (1827–1828)](https://genealogy.dylanslagh.com/people/janna-rookus-1827-1828-i222687643675) (half); [Jan Rookus (1830–1831)](https://genealogy.dylanslagh.com/people/jan-rookus-1830-1831-i222687643676) (half); [Johanna Rookus (1832–1881)](https://genealogy.dylanslagh.com/people/johanna-rookus-1832-1881-i222687643679) (half); [Jacobus Rookus (1833–1833)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1833-1833-i222687643673) (half); [Jacobus Rookus (born 1835)](https://genealogy.dylanslagh.com/people/jacobus-rookus-1835-i222687643674) (half); [Neeltje Rookus (1836–1837)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1836-1837-i222687643681) (half); [Pieter Rookus (1838–1914)](https://genealogy.dylanslagh.com/people/pieter-rookus-1838-1914-i222687643670) (half); [Neeltje Rookus (born 1839)](https://genealogy.dylanslagh.com/people/neeltje-rookus-1839-i222687643682) (half); [Female Rookus (1841–1841)](https://genealogy.dylanslagh.com/people/female-rookus-1841-1841-i222687643671) (half); [Jan Rookus (1842–1842)](https://genealogy.dylanslagh.com/people/jan-rookus-1842-1842-i222687643677) (half); [Male Rookus (1845–1845)](https://genealogy.dylanslagh.com/people/male-rookus-1845-1845-i222687643680) (half) - Research summary: Jacob Rookus, aged two, is listed with his parents on the General Harrison, which reached New York on 30 June 1849, according to an index of New York passenger manifests. - Original source: [1922: Michigan death certificate of Jacob Rookus, Zeeland, Ottawa County, 1922](https://genealogy.dylanslagh.com/sources/1922-michigan-death-certificate-of-jacob-rookus-zeeland-ottawa-co-34919b) - Original source: [1933: Michigan death certificate of Adrianna Rookus, Zeeland, Ottawa County](https://genealogy.dylanslagh.com/sources/1933-michigan-death-certificate-of-adrianna-rookus-zeeland-ottawa-b14585) - Original source: [1948: Michigan death certificate of Jacob Rookus, East Grand Rapids, Kent County](https://genealogy.dylanslagh.com/sources/1948-michigan-death-certificate-of-jacob-rookus-east-grand-rapids-b2883f) ## Jacob Rookus (1878–1948) - Page: https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065 - ID I222686318065 · Dylan Slagh's 2nd great-grandfather · Slagh side of the family - Born: 31 Jan 1878, Holland, Ottawa County, Michigan, USA - Died: 6 Jun 1948, East Grand Rapids, Kent, Michigan, USA - Buried: Holland, Ottawa County, Michigan, United States of America - Father: [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) - Mother: [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785) - Spouse: [Ida Bos (1879–1955)](https://genealogy.dylanslagh.com/people/ida-bos-1879-1955-i222686318105), married 1903 - Children: [Ada Martha Rookus (1904–1967)](https://genealogy.dylanslagh.com/people/ada-rookus-1904-1967-i46445472003) - Siblings: [Nellie Rookus (1879–1949)](https://genealogy.dylanslagh.com/people/nellie-rookus-1879-1949-i222686862876); [Maggie Rookus (1880–1956)](https://genealogy.dylanslagh.com/people/maggie-rookus-1880-1956-i222686862920); [Minnie Rookus (1884–1967)](https://genealogy.dylanslagh.com/people/minnie-rookus-1884-1967-i222686862948); [Hattie Rookus (1893–1967)](https://genealogy.dylanslagh.com/people/hattie-rookus-1893-1967-i222686862986) - Original source: [1910: 1910 census sheet 1A, Holland Twp ED 164 (Rookus, Bos and other households)](https://genealogy.dylanslagh.com/sources/1910-1910-census-sheet-1a-holland-twp-ed-164-rookus-bos-and-other-06bfd8) - Original source: [1920: 1920 census sheet 13A, Holland Twp (Rookus, Bos and other households)](https://genealogy.dylanslagh.com/sources/1920-1920-census-sheet-13a-holland-twp-rookus-bos-and-other-house-3bacc2) - Original source: [1925: 1925 Michigan Department of Health marriage register page (Ottawa County) including Tony Slagh's marriage](https://genealogy.dylanslagh.com/sources/1925-1925-michigan-department-of-health-marriage-register-page-ot-d46726) - Original source: [1948: Michigan death certificate of Jacob Rookus, East Grand Rapids, Kent County](https://genealogy.dylanslagh.com/sources/1948-michigan-death-certificate-of-jacob-rookus-east-grand-rapids-b2883f) ## Nellie Rookus (1879–1949) - Page: https://genealogy.dylanslagh.com/people/nellie-rookus-1879-1949-i222686862876 - ID I222686862876 · Dylan Slagh's 3rd great-aunt · Slagh side of the family - Born: 31 May 1879 - Died: 9 Oct 1949, Zeeland, Ottawa, Michigan, USA - Buried: Zeeland, Ottawa County, Michigan, United States of America - Father: [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) - Mother: [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785) - Siblings: [Jacob Rookus (1878–1948)](https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065); [Maggie Rookus (1880–1956)](https://genealogy.dylanslagh.com/people/maggie-rookus-1880-1956-i222686862920); [Minnie Rookus (1884–1967)](https://genealogy.dylanslagh.com/people/minnie-rookus-1884-1967-i222686862948); [Hattie Rookus (1893–1967)](https://genealogy.dylanslagh.com/people/hattie-rookus-1893-1967-i222686862986) ## Maggie Rookus (1880–1956) - Page: https://genealogy.dylanslagh.com/people/maggie-rookus-1880-1956-i222686862920 - ID I222686862920 · Dylan Slagh's 3rd great-aunt · Slagh side of the family - Born: 31 Oct 1880, Holland, Ottawa County, Michigan, USA - Died: 12 Oct 1956, Holland, Ottawa County, Michigan, USA - Buried: Holland, Ottawa County, Michigan, United States of America - Father: [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) - Mother: [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785) - Siblings: [Jacob Rookus (1878–1948)](https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065); [Nellie Rookus (1879–1949)](https://genealogy.dylanslagh.com/people/nellie-rookus-1879-1949-i222686862876); [Minnie Rookus (1884–1967)](https://genealogy.dylanslagh.com/people/minnie-rookus-1884-1967-i222686862948); [Hattie Rookus (1893–1967)](https://genealogy.dylanslagh.com/people/hattie-rookus-1893-1967-i222686862986) ## Minnie Rookus (1884–1967) - Page: https://genealogy.dylanslagh.com/people/minnie-rookus-1884-1967-i222686862948 - ID I222686862948 · Dylan Slagh's 3rd great-aunt · Slagh side of the family - Born: 21 Sep 1884, Holland, Ottawa County, Michigan, USA - Died: 22 Jan 1967, Holland, Ottawa County, Michigan, USA - Buried: Zeeland, Ottawa County, Michigan, United States of America - Father: [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) - Mother: [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785) - Siblings: [Jacob Rookus (1878–1948)](https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065); [Nellie Rookus (1879–1949)](https://genealogy.dylanslagh.com/people/nellie-rookus-1879-1949-i222686862876); [Maggie Rookus (1880–1956)](https://genealogy.dylanslagh.com/people/maggie-rookus-1880-1956-i222686862920); [Hattie Rookus (1893–1967)](https://genealogy.dylanslagh.com/people/hattie-rookus-1893-1967-i222686862986) ## Hattie Rookus (1893–1967) - Page: https://genealogy.dylanslagh.com/people/hattie-rookus-1893-1967-i222686862986 - ID I222686862986 · Dylan Slagh's 3rd great-aunt · Slagh side of the family - Born: 10 Nov 1893, Holland, Ottawa County, Michigan, USA - Died: 24 Oct 1967, Zeeland, Ottawa, Michigan, USA - Buried: Zeeland, Ottawa County, Michigan, United States of America - Father: [Jacob Rookus (1847–1922)](https://genealogy.dylanslagh.com/people/jacob-rookus-1847-1922-i222686862745) - Mother: [Adriana Pyl (1854–1933)](https://genealogy.dylanslagh.com/people/adriana-pyl-1854-1933-i222686862785) - Siblings: [Jacob Rookus (1878–1948)](https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065); [Nellie Rookus (1879–1949)](https://genealogy.dylanslagh.com/people/nellie-rookus-1879-1949-i222686862876); [Maggie Rookus (1880–1956)](https://genealogy.dylanslagh.com/people/maggie-rookus-1880-1956-i222686862920); [Minnie Rookus (1884–1967)](https://genealogy.dylanslagh.com/people/minnie-rookus-1884-1967-i222686862948) ## Ada Martha Rookus (1904–1967) - Page: https://genealogy.dylanslagh.com/people/ada-rookus-1904-1967-i46445472003 - ID I46445472003 · Dylan Slagh's great-grandmother · Slagh side of the family - Married name: Ada Martha Slagh - Born: 28 Oct 1904, Michigan - Died: 6 Sep 1967, Zeeland, Ottawa, Michigan, USA - Buried: Holland, Ottawa County, Michigan, United States of America - Lived: 1930, Holland, Ottawa, Michigan, USA - Lived: 1935, Holland, Ottawa, Michigan - Lived: 1 Apr 1940, Holland, Ottawa, Michigan, USA - Father: [Jacob Rookus (1878–1948)](https://genealogy.dylanslagh.com/people/jacob-rookus-1878-1948-i222686318065) - Mother: [Ida Bos (1879–1955)](https://genealogy.dylanslagh.com/people/ida-bos-1879-1955-i222686318105) - Spouse: [Tony J Slagh (1898–1972)](https://genealogy.dylanslagh.com/people/tony-slagh-1898-1972-i46445476806), married 16 Jun 1925, Noordeloos, Ottawa, Michigan, USA - Children: [Arlene Slagh (1927–2004)](https://genealogy.dylanslagh.com/people/arlene-slagh-1927-2004-i46445482203); [Ronald Slagh (1932–2015)](https://genealogy.dylanslagh.com/people/ronald-slagh-1932-2015-i46445170577) - Siblings: [Martha M Van Wyk (1906–1980)](https://genealogy.dylanslagh.com/people/martha-van-wyk-1906-1980-i222686866468) (half); [Nelvie Van Wyk (1910–1984)](https://genealogy.dylanslagh.com/people/nelvie-van-wyk-1910-1984-i222686866467) (half); [Gertrude Kapenga (1914–1996)](https://genealogy.dylanslagh.com/people/gertrude-kapenga-1914-1996-i222686866466) (half); [Jean Mildred Heidema (1917–1969)](https://genealogy.dylanslagh.com/people/jean-heidema-1917-1969-i222686866469) (half) - Research summary: The 1950 census lists Ada Martha Rookus as a school cook working 16 hours a week while also doing housework. - Original source: [1910: 1910 census sheet 1A, Holland Twp ED 164 (Rookus, Bos and other households)](https://genealogy.dylanslagh.com/sources/1910-1910-census-sheet-1a-holland-twp-ed-164-rookus-bos-and-other-06bfd8) - Original source: [1920: 1920 census sheet 13A, Holland Twp (Rookus, Bos and other households)](https://genealogy.dylanslagh.com/sources/1920-1920-census-sheet-13a-holland-twp-rookus-bos-and-other-house-3bacc2) - Original source: [1925: 1925 Michigan Department of Health marriage register page (Ottawa County) including Tony Slagh's marriage](https://genealogy.dylanslagh.com/sources/1925-1925-michigan-department-of-health-marriage-register-page-ot-d46726)