1894 - 1964 (69 years)
| Cornelia Johanna van Dyk | |
| B: | 20 Dec 1920 |
| D: | Yes, date unknown |
| Anna Cornelia Sophia Margaretha van Dyk | |
| B: | 9 Aug 1922 |
| D: | Yes, date unknown |
| Sybrand van Dyk | |
| B: | 21 Oct 1928 |
| Volksrust, Transvaal, Suid-Afrika | |
| D: | 13 Jun 2001 |
| Stellenbosch, Kaap, South Africa | |
| Margaret Napier | |
| B: | 28 Mar 1925 |
| Natal, Suid-Afrika | |
| M: | 5 Jun 1948 |
| Newcastle, Natal, Suid-Afrika | |
| D: | 30 May 1995 |
| Port Shepstone, Natal, Suid-Afrika | |
| Patricia Mary Schofield | |
| B: | 20 Feb 1932 |
| Vrystaat, Suid-Afrika | |
| M: | 15 Aug 1953 |
| Pietermaritzburg, Natal, Suid-Afrika | |
| D: | 19 Aug 1994 |
| Claremont, Kaap, Suid-Afrika | |
| Susanna Alberts | |
| B: | 31 May 1933 |
| M: | 1961–1965 |
| D: | Yes, date unknown |
| Pamela Denise Wynne | |
| B: | 17 Sep 1936 |
| Zimbabwe (Rhodesia) | |
| M: | 5 Apr 1966 |
| Rondebosch, Kaap, Suid-Afrika | |
| D: | 24 Apr 2007 |
| Stellenbosch, Kaap, South Africa | |
|
| Sybrand Johannes van Dyk | |
| B: | 30 Aug 1894 |
| D: | 11 Feb 1964 |
| Volksrust, Transvaal, Suid-Afrika | |
| Johanna Elizabeth Fourie | |
| B: | 26 Apr 1898 |
| M: | 20 Nov 1917 |
| Volksrust, Transvaal, Suid-Afrika | |
| D: | 14 Jul 1989 |
| Stellenbosch, Kaap, South Africa | |
| Willem Sybrand van Dyk | |
| B: | 16 Nov 1952 |
| D: | 6 Oct 2012 |
| Transvaal, Suid-Afrika | |
| Maria Johanna Magarietha van Zyl | |
| B: | 13 May 1951 |
| M: | 5 Jun 1971 |
| D: | 17 Sep 2004 |
| Tembisa, Transvaal, Suid-Afrika | |
| Jacomina Louisa du Plessis | |
| M: | CA 1951 |
| Wakkerstroom, Transvaal, Suid-Afrika | |
