 | Joseph Andries Jacobus van Dyk (1859-1922) 
|
 | Johanna Dorothea Bezuidenhout (1862-1892)
|
| Helena Johanna Catharina van Dyk (1883- )  |
| Andries Stephanus van Dyk (1884-1949) |
| Elsje Johanna Sophia van Dyk (1889-1905) |
| Willem Johannes Stephanus van Dyk (1882-1939)
|
| Magdalena Catharina Opperman (1900-1978) |
| Maria Christina van Dyk (1921- ) |
| Johanna Dorothea van Dyk (1925-2001) |
| Alfonso Joseph van Dyk (1936-1987) |
