- 1913
1887-1966
| Engelina Willemina Gravelaar | |
| G: | 23 jul 1887 |
| Zaandam | |
| O: | 2 aug 1966 |
| Amsterdam | |
1891-
| Willem Antonie Gravelaar | |
| G: | 13 okt 1891 |
| Zaandam | |
1894-1943
| Anthony Johan Gravelaar | |
| G: | 19 jun 1894 |
| Zaandam | |
| O: | 31 dec 1943 |
| Wassenaar | |
-1913
| Maria Jacoba de Korte | |
| G: | Vlagtwedde |
| O: | 27 nov 1913 |
| Deventer | |
| Anthonij Willem Gravelaar | |
| G: | 2 mei 1856 |
| Sappermeer | |
| H: | 15 okt 1886 |
| Meppel | |
