| # | Children | Name | Born | Died | Father | Mother |
|---|
| 1 | | | b. 22 Nov 1937 | d. Yes, date unknown | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 2 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 3 | | | b. 12 Sep 1940 | d. 23 Oct 2013 | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 4 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 5 | | | b. 12 Mar 1943 | d. 12 Jun 1988 | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 6 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 7 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 8 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 9 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 10 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 11 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
| 12 | | | | | Hercules Albertus van Dyk | Pieter Willem Maria Pretorius, (Vroulik) |
1915 - 1978 (62 years)