| Leonie Deodora Maria, Augusta Klaphaak | |
| G: | 23 apr 1914 |
| Rotterdam | |
| Sybilla Johanna Nicoline Klaphaak | |
| G: | 23 jan 1917 |
| Rotterdam | |
| August Antoine Marie Klaphaak |
| August Antoine Marie Klaphaak | |
| G: | 21 aug 1884 |
| Rotterdam | |
| H: | 15 mei 1913 |
| Rotterdam | |
| O: | 19 nov 1950 |
| Rotterdam | |