 | Sybrand Lukas Jacobus van Dyk (1888- ) 
|
 | Aletta Catharina Prins (1896- ) |
| Gertruida Johanna Rebellina van Dyk (1915-2007)  |
| Andries Francois van Dyk (1916-2003) |
| Magrita Elizabeth van Dyk (1931-1979) |
| Johannes Petrus Frederick de Klerk (1902-1986) |
| Susara Aletta Maria van Dyk (1918-1996)
|
