1906 - Yes, date unknown
| Roelof Johannes van Dyk, (een van tweeling) | |
| B: | 22 Nov 1953 |
| D: | 11 Dec 2002 |
| Pretoria, Transvaal, Suid-Afrika | |
| Martha Anna Johanna Calitz 1954-1993 |
| Martha Anna Johanna Calitz | |
| B: | 29 Aug 1954 |
| M: | 30 Aug 1975 |
| D: | 6 Jan 1993 |
| Pretoria, Transvaal, Suid-Afrika | |
| Cornelia Petronella Riekert 1928-1997 |
| Cornelia Petronella Riekert | |
| B: | 24 Nov 1928 |
| D: | 31 Jul 1997 |
| Pretoria, Transvaal, Suid-Afrika | |
 | Christoffel Johannes Rademan van Dyk 1914-1975 |
| Christoffel Johannes Rademan van Dyk | |
| B: | 2 Sep 1914 |
| Jacobsdal, Vrystaat, Suid-Afrika | |
| M: | CA 1952 |
| Bronkhorstspruit, Transvaal, Suid-Afrika | |
| D: | 22 May 1975 |
| Pretoria, Transvaal, Suid-Afrika | |
| Johannes Gerhardus Frederik van Dyk 1920-1983 |
| Johannes Gerhardus Frederik van Dyk | |
| B: | 20 Dec 1920 |
| Bloemfontein, Vrystaat, Suid-Afrika | |
| M: | 5 Feb 1983 |
| D: | Mar 1983 |
| Heila Magdalena Nagel 1906-Yes, date unknown |
| Heila Magdalena Nagel | |
| B: | CA 1906 |
| D: | Yes, date unknown |
| Roelof Johannes Riekert 1905-Yes, date unknown |
| Roelof Johannes Riekert | |
| B: | CA 1905 |
| M: | 11 May 1926 |
| Erasmus, Transvaal, Suid-Afrika | |
| D: | Yes, date unknown |
