 | Sybrand Lukas Jacobus van Dyk (1888- ) 
|
 | Aletta Catharina Prins (1896- ) |
| Gertruida Johanna Rebellina van Dyk (1915-2007)  |
| Susara Aletta Maria van Dyk (1918-1996) |
| Magrita Elizabeth van Dyk (1931-1979) |
| Andries Francois van Dyk (1916-2003)
|
| Nicolina Marthina Johanna Pieterse (1926-2010) |
| Sybrand Lukas Jacobus van Dyk (1953-2013) |
