- Yes, date unknown
| Cornelius Johannes van Dyk 1951-2020 |
| Cornelius Johannes van Dyk | |
| B: | 15 Sep 1951 |
| D: | 21 Jun 2020 |
| Jacobus Gerhardus Johannes van Dyk 1964-Yes, date unknown |
| Jacobus Gerhardus Johannes van Dyk | |
| B: | 26 Jun 1964 |
| D: | Yes, date unknown |
 | Susanna Isabella Heymans 1924-1983 |
| Susanna Isabella Heymans | |
| B: | 16 Aug 1924 |
| Vrystaat, Suid-Afrika | |
| D: | 14 Dec 1983 |
| Fochville, Transvaal, Suid-Afrika | |
| Sybrand van Dyk 1917-1987 |
| Sybrand van Dyk | |
| B: | 31 Jan 1917 |
| Transvaal, Suid-Afrika | |
| M: | 12 Jul 1947 |
| Petrus Steyn, Vrystaat, Suid-Afrika | |
| D: | 23 May 1987 |
| Vaalwater, Transvaal, Suid-Afrika | |
| Cornelius Johannes Heymans -Yes, date unknown |
| Cornelius Johannes Heymans | |
| D: | Yes, date unknown |
| Claassina Wilhelmina Jacoba Hattingh -Yes, date unknown |
| Claassina Wilhelmina Jacoba Hattingh | |
| D: | Yes, date unknown |
