| Geertruida Koster | |
| G: | 1904 |
| Groningen | |
| Reinder Fruitema | |
| G: | 3 sep 1898 |
| Oude Pekela | |
| H: | 22 jul 1926 |
| Groningen | |
| Grietje Post | |
| G: | 26 nov 1879 |
| Ten Post | |
| O: | 20 apr 1953 |
| Groningen | |
| Samuel Koster | |
| G: | 1 nov 1876 |
| Ruischerbrug, Groningen | |
| H: | 20 okt 1901 |
| Groningen | |
| O: | 31 okt 1918 |
| Dennenoord, Drenthe | |
| Jan Post | |
| G: | 17 sep 1854 |
| Loppersum | |
| Geertruida Post | |
| G: | 1847 |
| Farmsum | |
| H: | 27 okt 1877 |
| Loppersum | |
