 | Francois Johannes van Dyk (1824- ) 
|
 | Petronella Hendrina Potgieter (1835- )
|
| Joseph Hermanus van Dyk (1857-1941)  |
| Jacobus Cornelius van Dyk (1859-1901) |
| Jacobus Cornelis van Dyk (1861- ) |
| Petronella Hendrina van Dyk (1863- ) |
| Francois Johannes van Dyk (1865- ) |
| Cornelis van Dyk (1870- ) |
| Hermanus Christoffel van Dyk (1871-1936) |
| Sophia Elizabetha Gertruida van Dyk (1859- )
|
| Maria Cornelia van Dyk (1878- ) |
