 | Jozef Sybrand van Dyk (1884-1960) 
|
 | Alice Maria de Meillon (1890-1972)
|
| Elizabeth Maria van Dyk (1908- )  |
| Maria Elizabeth van Dyk (1910- ) |
| Alice Maria van Dyk (1911-1998) |
| Petrus Barend Christoffel van Dyk (1914-1985) |
| Aletta Johanna van Dyk (1915-1983) |
| Henry Clifford van Dyk (1919-1984) |
| Frederick Creswell Potgieter (1924- ) |
| Wilhelmina Johanna van Dyk (1924- )
|
