| Leonardus Anthonius Olsthoorn |
| Leonardus Anthonius Olsthoorn | |
| G: | ca. 1903 |
| O: | Ja, datum echter onbekend |
| Helena Maria Hofstede |
| Helena Maria Hofstede | |
| G: | ca. 1903 |
| Vlaardinger-Ambacht | |
| H: | 28 mei 1940 |
| Schipluiden | |
| O: | 20 sep 1987 |
|
| Leonardus Olsthoorn |
| Leonardus Olsthoorn | |
| G: | ca. 1868 |
| Vlaardinger-Ambacht | |
| O: | 25 jun 1948 |
| Schipluiden | |
| Quirina Heijdra |
| Quirina Heijdra | |
| G: | ca. 1874 |
| Kethel en Spaland | |
| H: | 7 mei 1900 |
| Kethel en Spaland | |
| O: | 12 jan 1948 |
| Delft | |