- Yes, date unknown
| Diederik Arnoldus van Dyk | |
| B: | 4 Dec 1983 |
| D: | Yes, date unknown |
| Malanie Esterhuizen | |
| M: | 12 May 2017 |
| Johannes Hendrik van Dyk | |
| B: | 24 Jan 1953 |
| D: | 30 Nov 1997 |
| De Aar, Kaap, Suid-Afrika | |
| Karen van Dyk | |
| B: | CA 1955 |
| Susanna Francina Maria du Plessis | |
| B: | 28 Jul 1931 |
| D: | 12 Sep 2015 |
| Kaap, Suid-Afrika | |
| Diederik Arnoldus van Dyk | |
| B: | 17 Nov 1924 |
| M: | 7 Apr 1951 |
| De Aar, Kaap, Suid-Afrika | |
| D: | 20 Oct 1996 |
| Bloemfontein, Vrystaat, Suid-Afrika | |
| Adriana Johanna du Plessis | |
| D: | Yes, date unknown |
| Charl Jacob du Plessis | |
| D: | Yes, date unknown |
