1908 - Yes, date unknown
| John Peter Hubinger van Dyk, (een van tweeling) | |
| B: | 10 Sep 1934 |
| D: | Dec 1979 |
| Martha Sophia Haasbroek | |
| B: | 13 Jun 1928 |
| D: | Yes, date unknown |
| "dogter" van Dyk, (een van tweeling) | |
| B: | 10 Sep 1934 |
| D: | Aft 10 Sep 1934 |
| Gilliam Hendrik van Dyk | |
| B: | 22 Apr 1940 |
| Douglas, Northern Kaap, Suid-Afrika | |
| D: | 8 Nov 1997 |
| Danabaai, Kaap, Suid-Afrika | |
|
| Pieter Arnoldus van Dyk | |
| B: | 7 Apr 1908 |
| D: | Yes, date unknown |
| Helletjie Johanna Anna van Niekerk | |
| B: | 26 Jun 1916 |
| Douglas, Northern Kaap, Suid-Afrika | |
| D: | Yes, date unknown |
