 | Marthinus Jacobus van Dyk (1794- ) 
|
 | Helena Catharina Tredoux (1791- )
|
| Evert Johannes van Dyk (1814-1900)  |
| Klaas Cornelis van Dyk (1817-1849) |
| Johannes Theodorus de Vrye (1807-1885) |
| Jacques Gideon van Dyk (1815-1867)
|
| Eliza Christina Johanna de Vrye (1829-1874)
|
| Louisa Eliza van Dyk (1856-1875) |
| Marthina Charlotta Maria van Dyk (1859-1943) |
| Johannes Theodorus De Vrye van Dyk (1857-1938) |
| Jacques Gideon van Dyk (1861-1940) |
| Pieter Johannes Redelinghuys van Dyk (1867-1948) |
