 | Sybrand Johannes van Dyk (1784-1843) 
|
 | Helena Susanna van der Merwe (1785- )
|
| Susanna Zacharia van Dyk (1809- )  |
 | Zacharia Maria van Dyk, i (1811-1817) |
| Helena Johanna Francina van Dyk (1813-1891) |
| Joseph Andries Jacobus van Dyk (1815- ) |
| Zacharia Maria van Dyk, ii (1817-1858) |
| Maria Magdalena Jacoba van Dyk (1819- ) |
| Anna Johanna van Dyk (1822-1861) |
| Johannes Arnoldus Greyling (1775- ) |
| Aletta Maria Greyling (1823- )
|
| Marthinus Johannes van Dyk (1807-1879)
|
| Johannes Arnoldus van Dyk (1844-1900) |
| Anna Maria Elizabeth Johanna van Dyk (1847-1879) |
| Joseph Andries Jacobus van Dyk (1848-1921) |
| Barend Christiaan van Dyk (1850-1925) |
| Hendrik Balthazar van Dyk (1852-1910) |
| Aletta Maria van Dyk (1853- ) |
| Johanna Arnoldina van Dyk (1855- ) |
| Frans Johannes van Dyk (1857-1920) |
| Susanna Zacharia van Dyk (1859- ) |
