 | Jan Beyers Fourie van Dyk (1916-1979) 
|
 | Wilhelmina Gertruida Jacoba Viljoen (1925- ) |
| Anna Maria van Dyk (1945-1951) |
| Dietlof Siegfried Mynhardt Potgieter (1925- ) |
| Helena Aletta Sofia Np. (1925- ) |
| Sybrand van Dyk (1947-2005)
|
| Susanna Elisabeth Potgieter (1949-1974)
|
