 | Joseph Sybrand van Dyk (1815- ) 
|
 | Martha Maria Catharina Francina Nortjé (1821-1901) |
| Sophia Elizabeth Maria van Dyk (1843- )  |
| Daniël Johannes van Dyk (1844-1913) |
| Martha Maria Gertruida van Dyk (1847- ) |
| Hester Dorothea Maria van Dyk (1852- ) |
| Gertruida Wilhelmina Johanna van Dyk (1854-1942) |
| Petrus Barend Christoffel van Dyk (1859-1920) |
| Francina Petronella van Dyk (1861- ) |
| Jacobus Cornelius van Dyk (1864- ) |
| Hendrik van Dyk (1865- ) |
| Johannes Jurgens van Dyk (1856-1949)
|
| Anna Catharina Elizabeth Booyens (1891-1950) |
