 | Jacobus Johannes Hermanus van Dyk (1895-1946) 
|
 | Catharina Magdalena Wilhelmina Swart (1901- )
|
| Elizabeth Johanna van Dyk (1926- )  |
| Willem Godlieb van Dyk (1927- ) |
| Sophia Dorothea van Dyk (1929- ) |
| Jacobus Johannes van Dyk (1932-1989) |
| Dirk Adriaan van Dyk (1935-2009) |
| Dirk Adriaan van Dyk (1935- ) |
| Lodewyk Wessel Gerhardus van Dyk (1924-2008)
|
| Matilda Margaret Wichtman (1921-1994) |
