1890 - 1963 (72 years)
| Theunis Gerhardus Duvenhage 1890-1963 |
| Theunis Gerhardus Duvenhage | |
| B: | 4 Sep 1890 |
| Angola | |
| D: | 4 Jul 1963 |
| Grootfontein, Namibia | |
 | Maria Francina Vermaak -Yes, date unknown |
| Maria Francina Vermaak | |
| M: | 16 Oct 1916 |
| Angola | |
| D: | Yes, date unknown |
| Charlotta Catharina van Dyk 1910-Yes, date unknown |
| Charlotta Catharina van Dyk | |
| B: | 10 Jan 1910 |
| M: | 24 Feb 1930 |
| Gobabis, Namibia | |
| D: | Yes, date unknown |
