 | Jacob Christoffel Johannes van Dyk (1868-1917) 
|
 | Maria Magdalena Dorothea Vorster (1883-1973)
|
| Elizabeth Emmerentia van Dyk (1906- ) |
| Jacobus Gerhardus Johannes van Dyk (1909-1971)  |
| Paul Philippus Jacobus Sybrand van Dyk (1912-1968) |
| Sybrand van Dyk (1917-1987) |
| Petrus Erasmus Johannes van Dyk (1908-1982)
|
| "kind" van Dyk (1935-1935) |
| Maria Margaretha van Dyk (1936-2000) |
| Petronella Johanna Elizabeth van Dyk (1938-1967) |
| Petrus Erasmus Johannes van Dyk (1940-1981) |
