1890 - 1955 (64 jare)
 | Margaret Susannah van Dyk 1919-1993 |
| Margaret Susannah van Dyk | |
| *: | 19 Okt 1919 |
| †: | 12 Jan 1993 |
| Pretoria, Transvaal, Suid-Afrika | |
| Aris Ruyter 1921-2001 |
| Aris Ruyter | |
| *: | 7 Mrt 1921 |
| x: | 1 Okt 1948 |
| †: | 5 Des 2001 |
| Brits, Transvaal, Suid-Afrika | |
| Godfrey Louis van Dyk 1923-1976 |
| Godfrey Louis van Dyk | |
| *: | 27 Aug 1923 |
| †: | 1976 |
| Transvaal, Suid-Afrika | |
| Catherine Jean van Dyk 1955-2002 |
| Catherine Jean van Dyk | |
| *: | 21 Aug 1955 |
| Durban, Natal, Suid-Afrika | |
| †: | 19 Aug 2002 |
| Observatory, Kaap, Suid-Afrika | |
| Dr. James Conrad van Dyk 1927-1967 |
| Dr. James Conrad van Dyk | |
| *: | CA 1927 |
| Pretoria, Transvaal, Suid-Afrika | |
| †: | 28 Apr 1967 |
| Pretoria, Transvaal, Suid-Afrika | |
| Irene Norris Pratt 1926-Ja, datum onbekend |
| Irene Norris Pratt | |
| *: | 20 Jan 1926 |
| x: | 31 Jan 1953 |
| Johannesburg, Transvaal, Suid-Afrika | |
| †: | Ja, datum onbekend |
| Ann Jean van Dyk 1930-2021 |
| Ann Jean van Dyk | |
| *: | 2 Jun 1930 |
| †: | 25 Feb 2021 |
| Reginald van Dyk 1934-1982 |
| Reginald van Dyk | |
| *: | 21 Nov 1934 |
| †: | Sep 1982 |
|
| Dr. Cornelius Godfrey Lodewyk van Dyk 1890-1955 |
| Dr. Cornelius Godfrey Lodewyk van Dyk | |
| *: | 31 Des 1890 |
| Pretoria, Transvaal, Suid-Afrika | |
| †: | 16 Aug 1955 |
| Pretoria, Transvaal, Suid-Afrika | |
| Dr. Catherine Jean Anderson 1889-1964 |
| Dr. Catherine Jean Anderson | |
| *: | 13 Nov 1889 |
| Skotland | |
| x: | Skotland |
| †: | 18 Des 1964 |
| Groenkloof, Pretoria, Suid-Afrika | |
