1843 - 1873 (29 years)
 | Francois Van Dyk Otto 1906-1974 |
| Francois Van Dyk Otto | |
| B: | 28 Mar 1906 |
| Ottosdal, Transvaal, Suid-Afrika | |
| D: | 5 Mar 1974 |
| Klerksdorp, Transvaal, Suid-Afrika | |
| Johan Frederick Otto 1862-Yes, date unknown |
| Johan Frederick Otto | |
| B: | 21 Aug 1862 |
| Potchefstroom, Transvaal, Suid-Afrika | |
| D: | Yes, date unknown |
| Heila Christina Francina Coetzee Est 1871-Yes, date unknown |
| Heila Christina Francina Coetzee | |
| B: | Est 1871 |
| Lichtenburg, Transvaal, Suid-Afrika | |
| M: | 24 Apr 1888 |
| Lichtenburg, Transvaal, Suid-Afrika | |
| D: | Yes, date unknown |
|
| Martha Magdalena van Dyk 1843-1873 |
| Martha Magdalena van Dyk | |
| B: | Oct 1843 |
| Cradock, Kaap, Suid-Afrika | |
| D: | 1 Sep 1873 |
| Rustenburg, Transvaal, Suid-Afrika | |
| Gerhardus Petrus Otto 1840-1910 |
| Gerhardus Petrus Otto | |
| B: | 28 Sep 1840 |
| M: | 21 Aug 1862 |
| Rustenburg, Transvaal, Suid-Afrika | |
| D: | 31 Oct 1910 |
| Lichtenburg, Transvaal, Suid-Afrika | |
