 | Sybrand van Dyk (1826-1921) 
|
 | Cornelia Margaretha Nel ( -1920)
|
| Anna Helena Martha van Dyk (1847-1927)  |
| Martha Elizabeth van Dyk (1855- ) |
| Anna Catharina Philippina van Dyk (1856- ) |
| Johanna Margaretha Odendaal van Dyk (1858- ) |
| Pieter Willem van Dyk (1861- ) |
| Sybrand Adriaan Cornelis van Dyk (1864-1948) |
| Matthys Johannes Smit (1829-1902) |
| Wilhelmina Maria Claassen(s) (1832-1858) |
| Marthinus Johannes van Dyk (1852-1931)
|
| Cornelia Elizabeth Smit (1852-1903)
|
| Wilhelmina Maria van Dyk (1873-1948) |
| Sybrand van Dyk (1875-1960) |
| Matthys Johannes van Dyk (1877-1945) |
| Marthinus Johannes van Dyk, i (1879-1890) |
| Cornelia Margaretha van Dyk (1881-1944) |
| Andreas Adriaan van Dyk (1883-1965) |
| Anna Helena Sophia van Dyk (1886- ) |
| Arie Willem van Dyk (1888-1939) |
| Marthinus Johannes van Dyk, ii (1891-1955) |
| Johannes Hendrik van Dyk (1896-1975) |
