 | Sybrand Barend Jacobus van Dyk (1861- ) 
|
 | Susara Susanna Margaretha Bosman (1868- )
|
| Joseph van Dyk (1885-1949)  |
| Catharina Maria Francina Cecilia van Dyk (1887-1977) |
 | Martha Magdalena van Dyk (1889-1979) |
| Francois Petrus Bosman van Dyk (1890-1932) |
| Sybrand Barend Jacobus van Dyk (1892-1934) |
| Johannes Hendrik Hattingh van Dyk (1894-1930) |
| Sarah Susanna Margaretha van Dyk (1896-1900) |
| Christiaan Hendrik Stephanus van Dyk (1898-1962) |
| Gerbrecht van Dyk (1900- ) |
| Cornelius Jacobus van Dyk (1902-1978) |
| Hermanus Stephanus van Dyk (1905-1967)
|
| Stella Irene White (1912-1998) |
| Edward Stephen van Dyk (1934-2007) |
| Louisa van Dyk (1939- ) |
| Leon Herman Stephanus van Dyk (1944-1984) |
