1924 - Ja, datum onbekend
| David Schalk van Dyk 1949-1989 |
| David Schalk van Dyk | |
| *: | 6 Sep 1949 |
| †: | 26 Sep 1989 |
| Boksburg, Transvaal, Suid-Afrika | |
 | Evelyn Heather van Dyk 1952-1999 |
| Evelyn Heather van Dyk | |
| *: | 6 Jul 1952 |
| †: | 21 Aug 1999 |
| Oos-Londen, Oos-Kaap, Suid-Afrika | |
|
| David Schalk van Dyk 1924-Ja, datum onbekend |
| David Schalk van Dyk | |
| *: | 17 Jul 1924 |
| †: | Ja, datum onbekend |
| Olive Constance Walker 1931-1969 |
| Olive Constance Walker | |
| *: | 5 Apr 1931 |
| Oudtshoorn, Kaap, Suid-Afrika | |
| x: | 21 Feb 1948 |
| Pretoria, Transvaal, Suid-Afrika | |
| †: | 11 Sep 1969 |
| Durban, Natal, Suid-Afrika | |
