1925 - 1982 (56 years)
| Martin van Dyk | |
| B: | 21 Jun 1948 |
| D: | 5 Jul 1991 |
| Pretoria, Transvaal, Suid-Afrika | |
| Nicola Ann van Dyk | |
| B: | 31 May 1961 |
| D: | 13 Nov 1993 |
| Bellville, Kaap, Suid-Afrika | |
|
| Marthinus Johannes Herbst van Dyk | |
| B: | 22 Sep 1925 |
| Swaziland | |
| D: | 6 Sep 1982 |
| Franskraal, Kaap, Suid-Afrika | |
| Nicola Georgina Geldenhuys | |
| B: | 12 Oct 1926 |
| M: | 20 Aug 1946 |
| D: | Yes, date unknown |
