 | Dirk Johannes van Dyk (1849-1919) 
|
 | Sarah Magdalena Mortlock (1853-1915)
|
| John James van Dyk (1873-1934)  |
| Sarah Magdalena van Dyk (1880-1950) |
| Louis Philip van Dyk (1883-1883) |
| Henry Thomas van Dyk (1885-1948) |
| William Daniël Newman (1877-1933) |
| Charles van Dyk (1878-1940)
|
| Maria Florence Newman (1880-1948)
|
| Dirk Johannes van Dyk (1903-1975) |
| Charles Joseph van Dyk (1904-1970) |
| Johanna Magdalena van Dyk (1907-1968) |
| Enid Elizabeth van Dyk (1910-1984) |
| Sally van Dyk (1914-1915) |
| Sarah Magdalena van Dyk (1914- ) |
| Frank John van Dyk (1916-1998) |
| Magdalena Florence van Dyk (1918- ) |
| Maria Florence van Dyk (1921-2005) |
| Joycelyn Grisilda van Dyk (1925-2004) |
