 | John Peter Hubinger van Dyk (1879- ) 
|
 | Magdalena Maria Magrieta Duvenhage (1886-1920)
|
| Jannetta Johanna van Dyk (1905- )  |
| Elizabeth Catharina van Dyk (1906- ) |
| Pieter Arnoldus van Dyk (1908- ) |
| Theunis Johannes van Dyk (1910-1995) |
| John Peter van Dyk (1911-1966) |
| Magdalena Maria van Dyk (1914- ) |
| Agnes Francesca van Dyk (1916-1990) |
| Fredrika Susanna van Dyk (1917-2002) |
| Florentina Johanna van Dyk (1920-1985) |
| Michael Arnoldus van Dyk (1915-1962)
|
| Hester Catharina van Niekerk (1918-1988) |
| John Peter van Dyk (1938-2013) |
