| Gerardus Koster |
| Gerardus Koster | |
| G: | 3 nov 1896 |
| Aarlanderveen | |
| O: | Ja, datum echter onbekend |
| Margaretha Kruger |
| Margaretha Kruger | |
| G: | ca. 1902 |
| Aalsmeer | |
| H: | 23 nov 1922 |
| Aalsmeer | |
| O: | Ja, datum echter onbekend |
| Anna Maria Koster |
| Anna Maria Koster | |
| G: | 19 aug 1902 |
| Zegveld | |
| O: | 30 apr 1953 |
| Utrecht | |
|
| Gerrarda Munnik |
| Gerrarda Munnik | |
| G: | 8 dec 1872 |
| Alphen | |
| O: | Ja, datum echter onbekend |
| Arie Koster |
| Arie Koster | |
| G: | ca. 1875 |
| Reeuwijk | |
| H: | 6 feb 1902 |
| Aarlanderveen | |
| O: | 21 mrt 1945 |
| Zwammerdam | |