 | Willem Hendrik van Dyk (1888-1951) 
|
 | Theunisina Christina Wilhelmina Engela Swanepoel (1897-1956)
|
| Maria Magritha Catharina van Dyk (1919-2003)  |
| Johannes Hendrik van Dyk (1921-1997) |
| Gerhardus Johannes Swanepoel van Dyk (1923-1984) |
| Willem Hendrik van Dyk (1925-2007) |
| Frans Johannes van Dyk (1929-1987) |
| Maria Magdalena van Dyk (1933- ) |
| Hendrik Petrus van Dyk (1926-2001)
|
| Johanna Helena Josina Thuynsma (1930- ) |
| Hendrik Petrus van Dyk (1958-1994) |
