| Cornelia Gerarda Wilhelmina Osterhaus |
| Cornelia Gerarda Wilhelmina Osterhaus | |
| B: | 08 Nov 1926 |
| Taroetoeng, Sumatra | |
| D: | 08 Nov 1992 |
| IJsselstein | |
| Wilhelmina Johanna Alida de Haart |
| Wilhelmina Johanna Alida de Haart | |
| B: | 19 Aug 1891 |
| Utrecht | |
| D: | 31 May 1955 |
| Utrecht | |
| Petrus Johannes Hendrikus Osterhaus | |
| B: | 28 Jan 1891 |
| Amsterdam | |
| M: | 21 Jul 1920 |
| Utrecht | |
| Maria Elbersen |
| Maria Elbersen | |
| B: | 1861 |
| D: | 22 Aug 1937 |
| Utrecht | |
| Theodorus Franciscus Bernardus de Haart |
| Theodorus Franciscus Bernardus de Haart | |
| B: | 13 Jan 1856 |
| Utrecht | |
| D: | 10 Nov 1920 |
| Utrecht | |