| Jan Geertsema 1. Jan married 1 Aafke Kampen on 18 Jun 1864 in Middelstum, Groningen, The Netherlands. | 
| Aafke Kampen [Parents] was born 1 on 14 Jan 1841 in Bedum, Groningen, The Netherlands. She died 2 on 12 Feb 1911 in Groningen, Groningen, The Netherlands. Aafke married 3 Jan Geertsema on 18 Jun 1864 in Middelstum, Groningen, The Netherlands. | 
| Karel Adrianus Busseman was born 1 on 17 Jul 1844 in Watergraafsmeer, The Netherlands. Karel married Elizabeth Kampen. | 
| Elizabeth Kampen [Parents] was born 1 on 6 Jan 1846 in Bedum, Groningen, The Netherlands. She died 2 on 2 Jun 1914 in Adorp, Groningen, The Netherlands. Elizabeth married Karel Adrianus Busseman. Other marriages:Roetciçoender, Jan | 
| Abel Jans Kampen [Parents] was born 1 on 26 Feb 1834 in Bedum, Groningen, The Netherlands. He died 2 on 3 Aug 1877 in Westerwijtwerd gem. Middelstum, Groningen, The Netherlands. Abel married Siementje van der Wier. Other marriages:Dijkman, Willemina | 
| Siementje van der Wier 1. Siementje married Abel Jans Kampen. | 
| Jan Roetciçoender 1. Jan married Elizabeth Kampen. | 
| Elizabeth Kampen [Parents] was born 1 on 6 Jan 1846 in Bedum, Groningen, The Netherlands. She died 2 on 2 Jun 1914 in Adorp, Groningen, The Netherlands. Elizabeth married Jan Roetciçoender. Other marriages:Busseman, Karel Adrianus | 
| 	Willem Afman [Parents] was born 1 on 5 Mar 1869 in Bedum, Groningen, The Netherlands. He died 2 on 1 Oct 1932 in Wayland, Allegan County, Michigan, USA. Willem married 3 Martje Meulenbelt on 12 Mar 1890 in Bedum, Groningen, The Netherlands. | 
| Martje Meulenbelt 1 was born on 1 Apr 1870. She died 2 on 31 Jul 1936 in Grand Rapids, Kent County, Michigan, USA. Martje married 1 Willem Afman on 12 Mar 1890 in Bedum, Groningen, The Netherlands. | 
They had the following children.
M i 
Jan Afman was born 1 on 10 Sep 1890 in Middelstum, Groningen, The Netherlands. M ii 
Tijle Afman was born 1 on 23 Dec 1892 in Leens, Groningen, The Netherlands. M iii Benjamin Afman was born on 30 Sep 1894. He died on 20 Jan 1941. M iv Martin Afman was born on 6 Feb 1896. He died on 15 May 1942. M v 
Jelte Afman 1 was born 2, 3, 4 on 29 Dec 1897 in Zeeland, Ottawa County, Michigan, USA. F vi Winifred Afman was born in Apr 1899. M vii 
Cornelius Afman was born 1 about 1900 in Michigan, USA. F viii 
Reina Afman was born 1 about 1901 in Michigan, USA. She died 2 on 17 Oct 1922 in Wayland, Allegan County, Michigan, USA. F ix Cora Afman was born about 1905. M x 
John Afman was born 1 about 1906 in Michigan, USA. F xi 
Alberta Afman was born 1 about 1910 in Michigan, USA. 
| Benjamin Afman [Parents] was born 1 on 30 Sep 1894 in Jamestown, Michigan, USA. He died 2 on 20 Jan 1941 in Plainwell, Allegan County, Michigan, USA. Benjamin married Gertrude 2. | 
| Gertrude 1. Gertrude married Benjamin Afman. | 
| Ralph van Tuinen 1 was born 1, 2 on 18 Aug 1899 in The Netherlands. Ralph married 1 Cora Afman on 20 Oct 1921 in Bradley, Allegan County, Michigan, USA. | 
| Cora Afman [Parents] was born 1 about 1905 in Michigan, USA. Cora married 2 Ralph van Tuinen on 20 Oct 1921 in Bradley, Allegan County, Michigan, USA. | 
They had the following children.
F i Irene van Tuinen. M ii William van Tuinen. M iii Marvin van Tuinen. F iv Bernice M. van Tuinen. 
| Mingerink 1. Mingerink married Winifred Afman. | 
| Winifred Afman [Parents] was born 1, 2 in Apr 1899 in Michigan, USA. Winifred married Mingerink. Other marriages:Velting, Wm | 
| Wm Velting 1. Wm married Winifred Afman. | 
| Winifred Afman [Parents] was born 1, 2 in Apr 1899 in Michigan, USA. Winifred married Wm Velting. Other marriages:Mingerink, | 
William van Tuinen [Parents].
He had the following children.
F i Karen Van Tuinen.