1912 - 1953 (40 years)
| Jacob van Dyk 1936-1989 |
| Jacob van Dyk | |
| B: | 15 Jul 1936 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 20 Apr 1989 |
| Kaap, Suid-Afrika | |
 | Florence Elizabeth Cooper 1933-2005 |
| Florence Elizabeth Cooper | |
| B: | 28 Feb 1933 |
| M: | 14 Dec 1957 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 1 Sep 2005 |
| Claremont, Kaap, Suid-Afrika | |
| Kenneth Albert van Dyk 1939-1993 |
| Kenneth Albert van Dyk | |
| B: | 13 Oct 1939 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 9 Oct 1993 |
| Heideveld, Kaap, Suid-Afrika | |
|
| Jacob William John van Dyk 1912-1953 |
| Jacob William John van Dyk | |
| B: | CALC Nov 1912 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | 31 Jan 1953 |
| Kaapstad, Kaap, Suid-Afrika | |
| Mary Christina Adonis 1917-Yes, date unknown |
| Mary Christina Adonis | |
| B: | CA 1917 |
| M: | 26 Dec 1938 |
| Kaapstad, Kaap, Suid-Afrika | |
| D: | Yes, date unknown |
