 | Barend Johannes Marthinus van Dyk (1888-1969) 
|
 | Susanna Elizabeth Kaspernetta Adriana Klopper (1893-1959)
|
| Petronella Johanna Jacoba van Dyk (1914-1984)  |
| Petrus Johannes van Dyk (1917- ) |
| Johanna Susanna Hendrina van Dyk (1923-2004) |
| Jacobus Christoffel Potgieter van Dyk (1925-1986) |
| Cornelia Catharina Adriana van Dyk (1929- ) |
| Johanna Helena van Dyk (1931- ) |
| Anna Elizabeth Frederika van Dyk (1934-1987) |
| Cornelius Thomas Johannes Horgan (1928-1986) |
