 | Marthinus Johannes van Dyk (1877-1955) 
|
 | Susanna Elizabeth Jacoba Jordaan (1881-1923)
|
| Anna Johanna Jacoba van Dyk (1905-1964)  |
 | Marthinus Johannes van Dyk (1909- ) |
| Pieter Willem van Dyk (1911-1988) |
| Hendrik Belsasar van Dyk (1913- ) |
| Susanna Elizabeth Jacoba van Dyk (1915- ) |
| Cornelia Margaretha van Dyk (1917- ) |
| Charlotte Eliza van Meyeren (1917-1992) |
| Marthinus Johannes van Dyk (1908-1975)
|
| Marthinus Johannes van Dyk (1946-1994) |
| James Hessel van Dyk (1950-2018) |
