1934 - 2006 (72 years)
| Tobias van Dyk | |
| B: | 2 Oct 1960 |
| D: | Nov 2015 |
| Anton van Dyk | |
| B: | 6 Jun 1963 |
| D: | CA Jun 2022 |
|
| William Thomas van Dyk | |
| B: | 4 Oct 1934 |
| D: | 13 Oct 2006 |
| Port Elizabeth, Oos-Kaap, Suid-Afrika | |
| Jocelyn Gracie Kinghorn | |
| B: | 27 Oct 1936 |
| Graaff-Reinet, Kaap, Suid-Afrika | |
| M: | 14 Dec 1957 |
| D: | Yes, date unknown |
