 | Joseph Hermanus van Dyk, (een van tweeling) (1888-1960) 
|
 | Gerbrecht Levina Catharina Coetzee (1894-1965) |
| Gerbrecht Levina Catharina van Dyk (1913-1965)  |
| Maria Elizabeth van Dyk (1913-2003) |
| Petronella Hendrika van Dyk (1915-1989) |
| Stella Elizabeth van Dyk (1925-1996) |
| Dirk Jacobus van Dyk (1931-1985) |
| Jacobus Cornelius van Dyk (1918-1998)
|
| Catharina Wilhelmina Adriana Nel (1926-2014) |
