 | Frans Johannes van Dyk (1870-1929) 
|
 | Martha Catharina Steyn (1881- )
|
| Frans Johannes van Dyk (1904-1984)  |
| Dorothea Susanna van Dyk (1907- ) |
| Susanna Magdalena van Dyk (1909- ) |
| Martha Catharina van Dyk (1910- ) |
| Willem Johannes van Dyk, i (1911-1911) |
| Wilhelm Johannes van Dyk, ii (1914-1914) |
| Willem Johannes van Dyk, iii (1916-1983) |
| Pieter Hendrik van Dyk (1919-1996) |
 | Johannes Andries van Dyk (1905-1969)
|
| Johanna Jacomina Elizabeth Deale (1909-1993) |
