| Male Heer Herman Theodore s'Jacob |
| Birth | 8 Oct 1883 | Bogor, West-Java, Indonesië |
| Death | 10 Feb 1962 | Ermelo |
| Burial | ||
| Marriage | 3 Jul 1915 | Rotterdam |
| Father | ||
| Mother | ||
| Female Elisabeth Jacoba van der Leeuw |
| Birth | 22 Aug 1891 | Rotterdam |
| Death | 8 Dec 1977 | Den Haag |
| Burial | ||
| Father | ||
| Mother | ||
| Female Madelaine Hermance s'Jacob |
| Birth | 6 Jun 1916 | Kasteel Staverden, Ermelo |
| Death | 22 May 2006 | Wassenaar |
| Burial | ||
| Spouse | Baron Schelto van Heemstra | F3702 | |
| Marriage | 21 Mar 1940 | Nunspeet |
| Male André René de Normandië s'Jacob |
| Birth | 8 Sep 1921 | Ermelo |
| Death | 5 Feb 1945 | Neuengamme, Duitsland |
| Burial | 8 Sep 1953 | Ermelo |