 | Joseph Sybrand van Dyk (1877-1939) 
|
 | Rachel Sophia Elizabeth Jacoba Eloff (1878-1926)
|
| Catharina Dorothea van Dyk (1899-1983)  |
| Fanny Elizabeth Catharina Jacoba van Dyk (1901-1948) |
| Rachel Cornelia van Dyk (1906-1977) |
| Philippus Arnoldus Myburgh van Dyk (1908-1958) |
| Elizabeth Jane Pringle van Dyk (1913-1939) |
| Johannes Lodewyk Eloff van Dyk (1916-1971) |
| Joseph Sybrand van Dyk (1897-1974)
|
| Anna Cecilia Swanepoel (1905-1950) |
| Gladys Sophia Aletta van Dyk (1926- ) |
| Rachel Sophia van Dyk (1927- ) |
| Veronica van Dyk (1928-2005) |
| Josephine Sybrand van Dyk (1931-2001) |
| Joseph Sybrand van Dyk (1932-2003) |
