 | Jan Andries van Dyk, "European" (1887-1967) 
|
 | Francina Petronella Willemberg, "C" (1892- ) |
| John Christian van Dyk, "C" (1911-1973)  |
| Dorothea Josephine van Dyk (1914-1984) |
| Joyce Mary Ann van Dyk (1916-1991) |
| Evelyn Elizabeth van Dyk (1913- )
|
| Ralph Oscar van Dyk (1933-1934) |
