 | Jacobus Cornelius van Dyk (1865- ) 
|
 | Josina Elizabeth Fent (1867-1958) |
| Jacobus Cornelis Elias van Dyk (1905-1906) |
| Jacobus Cornelius Dunman van Dyk (1907-1907) |
| Gustavus Wilhelmus van Dyk (1908-1971)
|
| Louisa Catarina Hoffman (1915-1955) |
| Gustavus Wilhelmus Cornelius van Dyk (1933-2010)  |
| Victor Johannes Cornelius van Dyk (1935-2014) |
| Arthur Don van Dyk (1936-1976) |
| Paul Gene van Dyk (1938-1978) |
