 | Willem Abraham van Dyk (1851-1906) 
|
 | Martha Johanna Vorster (1851- )
|
| Sophia Jacoba van Dyk (1871-1934)  |
| Sybrand Jacobus van Dyk (1872- ) |
| Johannes Jacobus van Dyk (1876- ) |
| Engela Herculina Hendrina van Dyk (1882-1942) |
| Martha Johanna van Dyk (1883- ) |
| Johannes Petrus Geyser (1858-1915) |
| Susanna Aletta Francina Geyser (1858-1901) |
| Willem Abraham van Dyk (1887-1947)
|
| Martha Catharina Maria Geyser (1888-1959)
|
| Susanna Aletta Francina van Dyk (1917- ) |
| Martha Johanna van Dyk (1919-1989) |
| Martienus Roedolf van Dyk (1923-1971) |
| Carolina van Dyk (1926- ) |
| Wilhelmina van Dyk (1930- ) |
| Magdalena van Dyk (1932-2001) |
