 | Petrus Johannes Burgert van Dyk (1852- ) 
|
 | Christina Magdalena Jacoba van Zyl (1857-1907)
|
| Petrus Johannes Burgert van Dyk (1876- ) |
| Andries Petrus van Dyk (1878-1927)  |
| Willem Stephanus Cornelius Du Plooy van Dyk (1880-1957) |
| Johannes Frederik Gerhardus van Dyk (1890- ) |
| Cyril Joseph Wilcocks (1880-1916) |
| Aletta Johanna Elizabeth van Dyk (1884-1918)
|
