 MaleJacobus Hercules du Preez |
| Birth | 24 Jan 1807 | Stellenbosch, Kaap, South Africa  |
| Death | 23 Jul 1874 | |
| Burial | ||
| Marriage | 16 Mar 1840 | Graaff-Reinet, Kaap, Suid-Afrika |
| Other Spouse | Dorothea Elisabeth Maria Geyer | F688 | |
| Marriage | ||
| Father | ||
| Mother | ||
 FemaleSusanna Catharina Johanna Magdalena Dreyer |
| Birth | 22 Apr 1821 | Graaff-Reinet, Kaap, Suid-Afrika |
| Christening | 4 Aug 1822 | Cradock, Kaap, Suid-Afrika |
| Death | Yes, date unknown | |
| Burial | ||
| Father | ||
| Mother | ||
| Female Jacoba Herculasina du Preez |
| Birth | 23 May 1856 | Rustenburg, Transvaal, Suid-Afrika |
| Christening | 28 Feb 1858 | Potchefstroom, Transvaal, Suid-Afrika |
| Death | 18 Sep 1949 | |
| Burial | ||
| Spouse | Johannes Hendrik van Dyk | F603 | |
| Marriage | 28 Dec 1874 | Rustenburg, Transvaal, Suid-Afrika |
