 | Joseph Jacobus van Dyk (1809-1881) 
|
 | Martha Magdalena Hattingh (1821-1889)
|
| Gerbrecht Johanna van Dyk (1841-1904)  |
| Frans Johannes van Dyk (1842- ) |
| Catharina Maria van Dyk (1846-1912) |
| Maria Johanna Hendrina van Dyk (1848-1904) |
| Johannes Hendrik Hattingh van Dyk (1849-1916) |
| Aletta Susara Elizabeth van Dyk (1851-1935) |
| Zacharia Catharina van Dyk (1853-1895) |
| Joseph Jacobus van Dyk (1855-1877) |
| Catharina Jacoba van Dyk (1856- ) |
| Sybrand Barend Jacobus van Dyk (1861- ) |
| Gerhardus Petrus Otto (1840-1910) |
| Martha Magdalena van Dyk (1843-1873)
|
| Johan Frederick Otto (1862- ) |
