1902 - 1972 (70 years)
| Hendrik Johannes Frederik van Dyk 1933-2002 |
| Hendrik Johannes Frederik van Dyk | |
| B: | 11 May 1933 |
| Windhoek, Namibia | |
| D: | 2 Mar 2002 |
| Newcastle, Natal, Suid-Afrika | |
 | Wilhelmina Stoffelina Muller 1935-2018 |
| Wilhelmina Stoffelina Muller | |
| B: | 16 Mar 1935 |
| Otjiwarongo, Namibia | |
| M: | 6 Apr 1956 |
| Grootfontein, Namibia | |
| D: | 10 Sep 2018 |
| Transvaal, Suid-Afrika | |
| Johannes Petrus van Dyk 1936-1994 |
| Johannes Petrus van Dyk | |
| B: | 19 Nov 1936 |
| Mariental, Namibia | |
| D: | 6 Apr 1994 |
| Marlene Ursula Klitzke 1939-Yes, date unknown |
| Marlene Ursula Klitzke | |
| B: | 19 Mar 1939 |
| Kaapstad, Kaap, Suid-Afrika | |
| M: | 24 Aug 1959 |
| D: | Yes, date unknown |
| Frederik Floris Johannes Jacobus van Dyk 1941-2009 |
| Frederik Floris Johannes Jacobus van Dyk | |
| B: | 19 Feb 1941 |
| D: | 7 Nov 2009 |
|
| Frederik Floris Johannes Jacobus van Dyk 1902-1972 |
| Frederik Floris Johannes Jacobus van Dyk | |
| B: | 1 Feb 1902 |
| D: | 5 May 1972 |
| Maria Sophia Elizabeth Spies 1910-1972 |
| Maria Sophia Elizabeth Spies | |
| B: | 30 Sep 1910 |
| M: | 1 Mar 1932 |
| Mariental, Namibia | |
| D: | 15 Oct 1972 |
