 | Willem Abraham van Dyk (1851-1906) 
|
 | Martha Johanna Vorster (1851- )
|
| Sophia Jacoba van Dyk (1871-1934)  |
| Sybrand Jacobus van Dyk (1872- ) |
| Engela Herculina Hendrina van Dyk (1882-1942) |
| Martha Johanna van Dyk (1883- ) |
| Willem Abraham van Dyk (1887-1947) |
| Lourens Johannes van der Merwe (1870- ) |
| Sara Elizabeth Montgomery (1873-1954) |
| 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) |
| Johannes Jacobus van Dyk (1933-2002) |
| Sophia Johanna van Dyk (1936- ) |
