1902 - Yes, date unknown
 | Fredrika Wilhelmina Johanna Jacobs 1931-2011 |
| Fredrika Wilhelmina Johanna Jacobs | |
| B: | 25 Oct 1931 |
| D: | 6 Dec 2011 |
| Randfontein, Transvaal, Suid-Afrika | |
| Sybrand van Dyk 1927-2000 |
| Sybrand van Dyk | |
| B: | 10 May 1927 |
| M: | 10 Jul 1948 |
| D: | 5 Mar 2000 |
| Krugersdorp, Transvaal, Suid-Afrika | |
| Frederick Daniël Jacobs 1902-Yes, date unknown |
| Frederick Daniël Jacobs | |
| B: | Between 1901 and 1902 |
| D: | Yes, date unknown |
| Anna Elizabeth Hudson 1903-Yes, date unknown |
| Anna Elizabeth Hudson | |
| B: | 11 Sep 1903 |
| D: | Yes, date unknown |
