Est 1871 - Yes, date unknown
| Francois Van Dyk Otto | |
| B: | 28 Mar 1906 |
| Ottosdal, Transvaal, Suid-Afrika | |
| D: | 5 Mar 1974 |
| Klerksdorp, Transvaal, Suid-Afrika | |
| Heila Christina Francina Coetzee | |
| B: | Est 1871 |
| Lichtenburg, Transvaal, Suid-Afrika | |
| D: | Yes, date unknown |
| Johan Frederick Otto | |
| B: | 21 Aug 1862 |
| Potchefstroom, Transvaal, Suid-Afrika | |
| M: | 24 Apr 1888 |
| Lichtenburg, Transvaal, Suid-Afrika | |
| D: | Yes, date unknown |
