 | Sybrand Johannes van Dyk (1894-1971) 
|
 | Louisa Cornelia Elizabeth Swart (1888-1962)
|
| Jacobus Johannes van Dyk (1918-2000)  |
| Maria Catharina van Dyk (1920-2002) |
| Louisa Cornelia van Dyk (1922- ) |
| Judith Magdalena Susanna van Dyk (1924- ) |
| Gerhardus Petrus van Dyk, (vroulik) (1926-1997) |
| Hendrik Albertus van Dyk (1928-1997) |
| Gerhardus Ignatius Human (1916- ) |
| Dina Maria Elizabeth van Dyk (1916-2002)
|
