 | Marthinus Johannes van Dyk (1852-1931) 
|
 | Cornelia Elizabeth Smit (1852-1903)
|
| Wilhelmina Maria van Dyk (1873-1948)  |
| Sybrand van Dyk (1875-1960) |
| Matthys Johannes van Dyk (1877-1945) |
| Marthinus Johannes van Dyk, i (1879-1890) |
| Cornelia Margaretha van Dyk (1881-1944) |
| Andreas Adriaan van Dyk (1883-1965) |
| Anna Helena Sophia van Dyk (1886- ) |
| Arie Willem van Dyk (1888-1939) |
| Marthinus Johannes van Dyk, ii (1891-1955) |
| Diederik Arnoldus Viljoen, [g8h1] (1875-1940)
|
| Wilhelmina Gertruida Jacoba Visser (1878-1967) |
| Johannes Hendrik van Dyk (1896-1975)
|
| Maria Susanna Viljoen (1898-1979)
|
| Marthinus Johannes van Dyk (1919-1953) |
| Wilhelmina Gertruida Jacoba van Dyk (1921-2007) |
| Johannes Hendrik van Dyk (1923-1991) |
| Diederik Arnoldus van Dyk (1924-1996) |
| Sybrand van Dyk (1926-1993) |
| Cornelia Elizabeth van Dyk (1928- ) |
| Maria Susanna van Dyk (1930- ) |
| Anna Helena Sophia van Dyk (1931- ) |
| Floris Johannes van Dyk (1933-2007) |
