| Male Geert Koster |
| Birth | 5 May 1877 | Hoogeveen |
| Death | 19 Feb 1959 | Vorden |
| Burial | ||
| Marriage | 22 Jul 1905 | Hoogeveen |
| Father | Gerrit Koster | F4735 Group Sheet | |
| Mother | Johanna Hendriks Kamperman | F4735 Group Sheet | |
| Female Willemina Kleine |
| Birth | 6 Apr 1884 | Hollandscheveld |
| Death | 19 May 1953 | Hoogeveen |
| Burial | ||
| Father | Jan Willems Kleine | F4736 Group Sheet | |
| Mother | Hendrika Veldman | F4736 Group Sheet | |
+ Johanna Hendrika Koster |
| Birth | 19 Aug 1908 | Hoogeveen |
| Death | 14 Aug 1996 | Vorden |
| Burial | 17 Aug 1996 | Zwartsluis |
| Spouse | Geerhardus Potman | F4725 | |
| Marriage | ||
| Documents | Huwelijksakte Hoogeveen |
| Notes |
|
|