 | Francois Johannes van Dyk (1824- ) 
|
 | Petronella Hendrina Potgieter (1835- )
|
| Joseph Hermanus van Dyk (1857-1941)  |
| Jacobus Cornelius van Dyk (1859-1901) |
| Sophia Elizabetha Gertruida van Dyk (1859- ) |
| Jacobus Cornelis van Dyk (1861- ) |
| Petronella Hendrina van Dyk (1863- ) |
| Francois Johannes van Dyk (1865- ) |
| Cornelis van Dyk (1870- ) |
| Johannes Cornelius Izak Rudolph (1836-1882) |
| Judith Magdalena Uys (1849-1883) |
| Engela Elizabeth Agatha Rudolph (1873-1937)
|
| Hermanus Christoffel van Dyk (1871-1936)
|
| Francois Johannes van Dyk (1904-1985) |
| Johannes Cornelius Izak Rudolph van Dyk (1908-1935) |
| Judith Magdalena van Dyk (1912-1988) |
| Hermanus Christoffel van Dyk (1915-1992) |
