1901 - 1940 (38 years)
| Frederick Arthur van Dyk 1950-1952 |
| Frederick Arthur van Dyk | |
| B: | CALC Apr 1950 |
| Johannesburg, Transvaal, Suid-Afrika | |
| D: | 11 Jun 1952 |
| Johannesburg, Transvaal, Suid-Afrika | |
 | Florence Pauline de Bruyn 1927-1990 |
| Florence Pauline de Bruyn | |
| B: | 16 Sep 1927 |
| D: | 12 Mar 1990 |
| James Arthur van Dyk 1926-1993 |
| James Arthur van Dyk | |
| B: | 12 Nov 1926 |
| M: | CA 1949 |
| D: | 7 Oct 1993 |
| Johannesburg, Transvaal, Suid-Afrika | |
| Charles Young -Yes, date unknown |
| Charles Young | |
| M: | Bef 1984 |
| D: | Yes, date unknown |
| Frederick Augustus de Bruyn 1901-1940 |
| Frederick Augustus de Bruyn | |
| B: | CALC Dec 1901 |
| D: | 6 Jan 1940 |
| Roodepoort, Transvaal, Suid-Afrika | |
| Anna Catharina Elizabeth Venter -Yes, date unknown |
| Anna Catharina Elizabeth Venter | |
| M: | 6 Apr 1926 |
| Johannesburg, Transvaal, Suid-Afrika | |
| D: | Yes, date unknown |
