1850 - Yes, date unknown
| Martha Margaretha van der Berg | |
| B: | CALC 20 Dec 1881 |
| Marico, Zeerust, Transvaal, Suid-Afrika | |
| D: | 7 Apr 1910 |
| Johannesburg, Transvaal, Suid-Afrika | |
| John Sweet van Dyk | |
| B: | CA 1876 |
| Venterstad, Kaap, Suid-Afrika | |
| M: | Johannesburg, Transvaal, Suid-Afrika |
| D: | 10 Feb 1947 |
| Johannesburg, Transvaal, Suid-Afrika | |
| Catharina Maria Louisa Pretorius | |
| B: | CA 1850 |
| D: | Yes, date unknown |
| Dirk Johannes van der Berg | |
| B: | CA 1850 |
| D: | Yes, date unknown |
