1909 - 2009 (100 years)
 | Willem Stephanus van Dyk 1931-1964 |
| Willem Stephanus van Dyk | |
| B: | 18 Feb 1931 |
| Cradock, Kaap, Suid-Afrika | |
| D: | 15 Jun 1964 |
| Cradock, Kaap, Suid-Afrika | |
| Anna Martha Vorster 1938-Yes, date unknown |
| Anna Martha Vorster | |
| B: | 4 Dec 1938 |
| M: | 15 Mar 1958 |
| Middelburg, Kaap, Suid-Afrika | |
| D: | Yes, date unknown |
| Frederick Jacobus de Klerk 1928-1978 |
| Frederick Jacobus de Klerk | |
| B: | 3 Oct 1928 |
| Cradock, Kaap, Suid-Afrika | |
| D: | 30 Nov 1978 |
| Cradock, Kaap, Suid-Afrika | |
| Johanna Wilhelmina Kriegler 1909-2009 |
| Johanna Wilhelmina Kriegler | |
| B: | 3 May 1909 |
| D: | 5 Aug 2009 |
| Hendrik Petrus van Dyk 1903-1964 |
| Hendrik Petrus van Dyk | |
| B: | 27 Feb 1903 |
| M: | 8 Jan 1930 |
| D: | 13 Oct 1964 |
| Cradock, Kaap, Suid-Afrika | |
