1909-
| Dirk Olthuijsen | |
| G: | 20 jan 1909 |
| Rotterdam | |
| Wilhelmina Emma Hendrika van Gennep | |
| H: | 7 dec 1938 |
| Rotterdam | |
1910-1940
| Maria Martijntje Olthuijsen | |
| G: | 20 mrt 1910 |
| Rotterdam | |
| O: | 28 sep 1940 |
| Rotterdam | |
1907-
| Nicolaas Bioch | |
| G: | 21 mei 1907 |
| Rotterdam | |
| H: | 10 okt 1934 |
| Rotterdam | |
1912-
| Neeltje Olthuijsen | |
| G: | 5 jun 1912 |
| Rotterdam | |
1884-1960
| Gerrit Olthuijsen | |
| G: | 1884 |
| Gouda | |
| H: | 13 aug 1908 |
| Waddinxveen | |
| O: | 29 dec 1960 |
| Rotterdam | |
