 | Jacobus Barend van Dyk (1877- ) 
|
| Johan Hendrik Bakemeyer van Dyk (1904- ) |
| Jacobus Barend van Dyk (1906- )  |
| Willem Frederik Gideon van Dyk (1908- ) |
 | Hester Maria Magdalena van Dyk (1911- ) |
| Frederik Rudolph van Dyk (1913-1987) |
| James Maritz van Dyk (1918-1992) |
| Johannes van Dyk (1921- ) |
| Adriaan Sarel van Dyk (1924- ) |
| Johannes Petrus Lafras van Dyk (1928-1985) |
| Petrus Johanna van Dyk (1909- )
|
