1893 - 1974 (80 years)
| Yvonne van Dyk | |
| B: | 1963 |
| D: | 1968 |
| Susanna Salomina du Toit | |
| B: | 23 Aug 1926 |
| D: | 26 Jun 2014 |
| Alexander Paul van Dyk | |
| B: | 11 Feb 1916 |
| M: | 15 Jun 1946 |
| Ceres, Kaap, Suid-Afrika | |
| D: | 26 May 1990 |
| Stellenbosch, Kaap, South Africa | |
| Gysbertus Christiaan du Toit | |
| B: | 24 Nov 1893 |
| D: | 25 Aug 1974 |
| Anna Elizabeth Beyers | |
| M: | 27 Dec 1922 |
| D: | Yes, date unknown |
