 | Joseph Sybrand van Dyk (1841-1892) 
|
 | Fanny (Johanna) Elizabeth Catharina Jacoba Lubbe (1845-1919)
|
| Elizabeth Jane van Dyk (1861-1932)  |
| Johannes Jurgens van Dyk (1863- ) |
| Maria Christina Magdalena van Dyk (1865-1926) |
| Henning Jeremias Lubbe van Dyk, i (1869-1878) |
| Henning Jeremias van Dyk, ii (1879-1950) |
| Joseph Sybrand van Dyk (1877-1939)
|
| Maria Aletta Schoeman (1882-1968) |
