1911 - 1978 (67 years)
| Quentin Owen van Dyk | |
| B: | 10 Jun 1930 |
| D: | Yes, date unknown |
| Torence van Dyk | |
| B: | 16 Dec 1954 |
| D: | 17 Dec 1954 |
| Johannesburg, Transvaal, Suid-Afrika | |
| Randal Osmund van Dyk | |
| B: | 6 Mar 1932 |
| D: | 6 Mar 1975 |
| Kyalami, Transvaal, Suid-Afrika | |
| Margaret Blanche Christianse | |
| B: | 25 Jul 1927 |
| M: | 7 Aug 1954 |
| Johannesburg, Transvaal, Suid-Afrika | |
| D: | 16 Dec 2017 |
| Courtley Paul van Dyk | |
| D: | Aft 2003 |
| Deborah Y. Michaux | |
| M: | 1981 |
| Crawley, Sussex, England, United Kingdom | |
| Cheryl Heather van Dyk | |
| B: | 12 Aug 1956 |
| D: | Bef 2003 |
| Llewellyn Athelstane van Dyk, (British- mixed) | |
| B: | 22 Aug 1933 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 4 Nov 2003 |
| Somerset Wes, Kaap, Suid-Afrika | |
| Hazel Jean Dennis | |
| B: | 8 Jun 1937 |
| Kaap, Suid-Afrika | |
| M: | 10 Dec 1955 |
| Wynberg, Kaap, Suid-Afrika | |
| D: | Yes, date unknown |
| Roger Augustin van Dyk | |
| B: | 23 Sep 1937 |
| Claremont, Kaap, Suid-Afrika | |
| D: | 10 Feb 1992 |
| Montpellier, Languedoc-Roussillon, France | |
| Henriëtta Isabella Bell | |
| B: | CA 1911 |
| Suid-Afrika | |
| D: | 5 Jun 1978 |
| Richard James van Dyk, (European) | |
| B: | 24 Dec 1895 |
| Stellenbosch, Kaap, South Africa | |
| M: | 18 Feb 1928 |
| Rondebosch, Kaap, Suid-Afrika | |
| D: | 15 Apr 1960 |
| Kaap, Suid-Afrika | |
