 | John James van Dyk (1873-1934) 
|
 | Roselyn Carolina Viana (1872-1956)
|
| Jessie Johanna van Dyk (1897- ) |
| Sarah Magdalena van Dyk (1898-1972)  |
| Christian Viana van Dyk (1900- ) |
| Edwin John van Dyk (1902-1980) |
| Mabel Caroline van Dyk (1903-1993) |
| Bridget Vera van Dyk (1905-1921) |
| Harold Cecil van Dyk (1906- ) |
| Hubert Claude van Dyk (1907- ) |
| Richard James van Dyk, (European) (1895-1960)
|
| Henriëtta Isabella Bell (1911-1978) |
| Quentin Owen van Dyk (1930- ) |
| Randal Osmund van Dyk (1932-1975) |
| Llewellyn Athelstane van Dyk, (British- mixed) (1933-2003) |
| Roger Augustin van Dyk (1937-1992) |
