 | Johannes Jurgens van Dyk (1869-1950) 
|
| Johannes Jurgens van Dyk (1894- ) |
| Jan Jacobus Petrus van Dyk (1896- ) |
| Jurgens Johannes (Jeremias) van Dyk (1900-1954)  |
 | Johanna Maria van Dyk (1910- ) |
| Martha Susanna Magdalena van Dyk (1910-2000) |
| Hendrik Johannes van Dyk (1903-1951)
|
| Hester Hendrina Swanepoel (1910- )
|
| Emmerentia Catharina Magdalena van Dyk (1929-2007) |
| Hendrik Johannes van Dyk (1931-1990) |
| Johannes Willem van Dyk (1945- ) |
