 | Johannes Christiaan Matthys van Dyk (1886- ) 
|
 | Susanna Catharina Frederika Vercueil (1895- ) |
| Gideon Jacobus Matthys van Dyk, (onecht) (1914-1982)  |
| Gerhardus Johannes van Dyk (1917-1983) |
| Belia Johanna Jacoba van Dyk (1920-1994) |
| Susanna Catharina Frederika van Dyk (1922- ) |
| Matthys Johannes Carstens van Dyk (1927-1994) |
| Christoffel Johannes van Dyk (1929-1999) |
| Maria Magdalena Magrieta van Dyk (1931-1961) |
| Johannes Christiaan Matthys van Dyk (1935-1990) |
| Jacobus Bartolomeus van Dyk (1940- ) |
| Johannes Frederick Mostert (1917- ) |
| Helena Johanna Catharina van Dyk (1918-2002)
|
