 | Joseph Johannes van Dyk (1841- ) 
|
 | Johanna Maria Elizabeth Kasselman (1842-1930)
|
| Susanna Maria van Dyk (1864- ) |
| Jacoba Hendrina van Dyk (1867- ) |
| Johanna Maria Josefina van Dyk (1870- ) |
| Susanna Catharina Josephine van Dyk (1872- )  |
| Joachim Petrus van Dyk (1874- ) |
| Charles Langley Josephine Stewart (1840- ) |
| Anna Christina Stroebel (1843-1900) |
| Catharina Dorothea Stewart (1878-1903)
|
| Jacobus Nicolaas van Dyk (1868-1941)
|
| Anna Carolina van Dyk (1896- ) |
| Johanna Maria van Dyk (1898- ) |
| Catharina Dorothea van Dyk (1899- ) |
| Susanna Josephina van Dyk (1901-1902) |
| Joseph John van Dyk (1903-1979) |
