| Wilhelmina Hendrika van Grondel | |
| G: | 27 nov 1913 |
| Rotterdam | |
| Eliza Reeling | |
| H: | 11 mrt 1936 |
| Rotterdam | |
1915-
| Adam van Grondel | |
| G: | 6 aug 1915 |
| Rotterdam | |
1886-1958
| Hendrika Johanna Heukeshoven | |
| G: | 1886 |
| Amsterdam | |
| H: | 24 dec 1913 |
| Rotterdam | |
| O: | 18 jan 1958 |
| Rotterdam | |