 | Jacobus Philippus Johannes van Dyk (1860-1903) 
|
 | Judith Gertruida Magdalena Dalhouzie (1867-1926)
|
| Sophia Elizabeth Susanna van Dyk (1885-1918)  |
 | Elizabeth Dina Sophia van Dyk (1887- ) |
 | Johanna Magdalena Christina van Dyk (1891-1941) |
 | Jacobus Johannes van Dyk (1893-1959) |
| Julia Christina Magdalena van Dyk (1898- ) |
| Dirkie Catharina Susanna van Dyk (1900-1965) |
| Catharina Louisa Petronella van Dyk (1902-1903) |
 | Johannes Louis Petrus van Dyk (1894-1979)
|
| Agnes Lach (1904-1955)
|
| Maria Wilhelmina Johanna van Dyk (1925- ) |
| Agnes Julia Elizabeth van Dyk (1927- ) |
| Johannes Paulus van Dyk (1929- ) |
| Anna Elizabeth van Dyk (1931- ) |
| Paul Frederick van Dyk, (een van tweeling) (1938-2011) |
| Wilfred Jacobus van Dyk (1941-2007) |
