 | Johannes Jacobus van Dyk (1876- ) 
|
 | Magrieta Sophia Johanna van der Merwe (1899-1936)
|
| Sarah Elizabeth van Dyk (1916- )  |
| Jan Willem van Dyk (1918-1998) |
| Magrietha Sophia Johanna van Dyk (1921-2004) |
| Martha Johanna van Dyk (1923-1984) |
| Engela Elizabeth van Dyk (1929- ) |
| Willem Abraham van Dyk (1931-1996) |
| Sophia Johanna van Dyk (1936- ) |
| Johannes Jacobus van Dyk (1933-2002)
|
