 | Johannes Jacobus van Dyk (1814- ) 
|
 | Gertruyda Andrinetta Mostert (1818- )
|
| Susanna Catharina Andrinetta van Dyk (1838- ) |
| Johanna Maria Catharina van Dyk (1840- )  |
| Catharina Jacoba Aletta van Dyk (1844- ) |
| Elizabeth Francina van Dyk (1847- ) |
| Anna Catharina van Dyk (1851- ) |
| Nicolaas Everhardus van Dyk (1854-1922) |
| Maria Fredrika van Dyk (1856- ) |
| Hilletje Helena Gertruida van Dyk (1858- ) |
| Hendrika Johanna van Dyk (1861- ) |
| Charles Mortlock (1826-1890) |
| Magdalena Christina Pietersen (1824-1881) |
| Dirk Johannes van Dyk (1849-1919)
|
| Sarah Magdalena Mortlock (1853-1915)
|
| John James van Dyk (1873-1934) |
| Charles van Dyk (1878-1940) |
| Sarah Magdalena van Dyk (1880-1950) |
| Louis Philip van Dyk (1883-1883) |
| Henry Thomas van Dyk (1885-1948) |
