 | Sybrand Jacobus van Dyk, ii (1896-1953) 
|
 | Maria Magdalena van Dyk (1923-2004)  |
| Jacobus van Dyk (1927- ) |
| Johanna van Dyk (1929-2006) |
| Albert van Dyk (1932-2016) |
| Aletta Elizabeth van Dyk (1935- ) |
| Carol-Glad van Dyk (1939-1990) |
| Joseph Johannes van Dyk (1921-1986)
|
| Engela Beatrix Wepener (1920-2010) |
| Sybrandt Joseph Wepener van Dyk (1949-1998) |
