1890 - 1970 (80 jaar)
1910-
| Margrietha Gerhards | |
| G: | 10 aug 1910 |
| Gouda | |
| Hendrik Kooreman | |
| H: | 10 jan 1940 |
| Leiden | |
| Magdalena Cornelia Gerhards | |
| G: | 24 jan 1913 |
| Gouda | |
| Abraham Swanenburg | |
| H: | 8 feb 1939 |
| Leiden | |
1914-
| Anna Maria Gerhards | |
| G: | 24 dec 1914 |
| Gouda | |
| Pieter Hendrikus Eling | |
| H: | 3 apr 1940 |
| Leiden | |
1917-
| Johanna Maria Gerhards | |
| G: | 6 okt 1917 |
| Leiden | |
|
1890-1970
| Johanna Maria de Gruil | |
| G: | 18 mei 1890 |
| Gouda | |
| O: | 1 dec 1970 |
| Leiden | |
1891-1946
| Martinus August Gerhards | |
| G: | 1891 |
| Gouda | |
| H: | 25 mei 1910 |
| Gouda | |
| O: | 26 okt 1946 |
| Leiden | |
