
| Bernardus Josephus Koster | |
| G: | 19 jan 1905 |
| Rotterdam,ZH,NLD | |
| O: | Ja, datum echter onbekend |
| Krina Stouten | |
| G: | 29 okt 1899 |
| Oosterland,ZE,NLD | |
| H: | 22 jul 1936 |
| Rotterdam,ZH,NLD | |
| O: | 6 dec 1948 |
| Arnhem,GE,NLD | |
| Elisabeth Johanna van Kalken | |
| G: | 25 feb 1871 |
| Rotterdam,ZH,NLD | |
| O: | 2 jan 1933 |
| Rotterdam,ZH,NLD | |
| Johannes Gerardus Koster | |
| G: | 17 jun 1868 |
| Rotterdam,ZH,NLD | |
| H: | 28 mrt 1894 |
| Rotterdam,ZH,NLD | |
| O: | 18 okt 1938 |
| Rotterdam,ZH,NLD | |