 | Jacobus Philippus Johannes van Dyk (1860-1903) 
|
 | Judith Gertruida Magdalena Dalhouzie (1867-1926)
|
| Sophia Elizabeth Susanna van Dyk (1885-1918)  |
 | Elizabeth Dina Sophia van Dyk (1887- ) |
 | Johanna Magdalena Christina van Dyk (1891-1941) |
 | Johannes Louis Petrus van Dyk (1894-1979) |
| Julia Christina Magdalena van Dyk (1898- ) |
| Dirkie Catharina Susanna van Dyk (1900-1965) |
| Catharina Louisa Petronella van Dyk (1902-1903) |
| Hendrik Thomas Lennox (1864-1957) |
| Johanna Maria Jesse Kriger (1865-1936)
|
 | Jacobus Johannes van Dyk (1893-1959)
|
 | Rosie Jessie Magdalena Lennox (1900-1988)
|
 | Jacobus Thomas van Dyk (1923-2015) |
 | Norman Edward van Dyk (1926-2003) |
 | Douglas Louis van Dyk (1931-1998) |
 | Clifford Frederick van Dyk (1939-2010) |
