1922 - 2006 (84 years)
 | Clive Robert van Dyk 1948-Yes, date unknown |
| Clive Robert van Dyk | |
| B: | 23 Nov 1948 |
| D: | Yes, date unknown |
| Geoffrey Alan van Dyk 1954-1954 |
| Geoffrey Alan van Dyk | |
| B: | 5 Mar 1954 |
| D: | 4 Jun 1954 |
| Uitenhage, Oos-Kaap, South Africa | |
| Susanna Sophia Johanna Kotze 1922-2006 |
| Susanna Sophia Johanna Kotze | |
| B: | 12 Oct 1922 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 21 Nov 2006 |
| Roodepoort, Transvaal, Suid-Afrika | |
| William Henry van Dyk 1923-1969 |
| William Henry van Dyk | |
| B: | 9 Aug 1923 |
| Kaapstad, Kaap, Suid-Afrika | |
| M: | 2 Feb 1946 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 27 Jul 1969 |
| Roodepoort, Transvaal, Suid-Afrika | |
