1910 - 1967 (56 years)
| Frederik Jacobus Steyn 1949-Yes, date unknown |
| Frederik Jacobus Steyn | |
| B: | 22 Dec 1949 |
| D: | Yes, date unknown |
| Francois Willem van Dyk 1963-1990 |
| Francois Willem van Dyk | |
| B: | 4 Mar 1963 |
| D: | 23 Sep 1990 |
| Kliprivier, Natal, Suid-Afrika | |
| Annette Jooste | |
| M: | 10 Jun 1989 |
| Jan Johannes Wilhelm van Dyk 1938-2007 |
| Jan Johannes Wilhelm van Dyk | |
| B: | 2 Jul 1938 |
| Elliot, Kaap, Suid-Afrika | |
| D: | 31 Jul 2007 |
| Bloemfontein, Vrystaat, Suid-Afrika | |
|
| Willem Adriaan Jan Johannes van Dyk 1910-1967 |
| Willem Adriaan Jan Johannes van Dyk | |
| B: | 18 Jun 1910 |
| Elliot, Kaap, Suid-Afrika | |
| D: | 30 Mar 1967 |
| Rouxville, Vrystaat, Suid-Afrika | |
 | Martha Cornelia Jacomina Geyer 1915-2007 |
| Martha Cornelia Jacomina Geyer | |
| B: | 19 Sep 1915 |
| M: | 8 Dec 1936 |
| Elliot, Kaap, Suid-Afrika | |
| D: | 27 Aug 2007 |
| Aliwal North, Kaap, Suid-Afrika | |
