1916 - 1990 (74 years)
| Maria Christina van Dyk 1932-2011 |
| Maria Christina van Dyk | |
| B: | 3 May 1932 |
| D: | 26 Jun 2011 |
| Malmesbury (Swartland), Kaap, Suid-Afrika | |
| Susanna Louisa Carstens 1916-1990 |
| Susanna Louisa Carstens | |
| B: | 30 Apr 1916 |
| D: | 28 Jun 1990 |
| Ysterplaat, Kaap, Suid-Afrika | |
 | Simon Petrus van Dyk 1911-1989 |
| Simon Petrus van Dyk | |
| B: | 29 Jan 1911 |
| M: | 12 Mar 1932 |
| D: | 14 Jan 1989 |
| Rugby, Kaap, Suid-Afrika | |
