 | Hendrik Wilhelm Nicolaas van Dyk (1880-1960) 
|
 | Jacoba Margaretha Swart (1872-1954)
|
| Jacoba Margaretha Swart van Dyk (1903-1930)  |
| Johanna Catharina van Dyk (1907-1909) |
| Johanna Catharina van Dyk, ii (1910- ) |
| Philippus Lodewicus Swart van Dyk (1911-1977) |
| Aletta Johanna Wessels van Dyk (1913-1915) |
| Andries Nicolaas van Dyk (1908-1966)
|
| Cornelia Johanna Elizabeth Matthee (1911-2006) |
