 | Johannes Jacobus van Dyk (1878-1965) 
|
 | Elizabeth Cornelia Erasmus (1886-1943)
|
 | Joseph Johannes van Dyk (1904-1910) |
 | Jacob Frederik van Dyk (1906-1907) |
 | Hendrik Johannes van Dyk (1908-1997)  |
 | Anna Maria Johanna Frederika van Dyk (1914-1997) |
 | Johanna Jacoba van Dyk (1918-1995) |
 | Johannes Jacobus van Dyk (1922-1992) |
 | Benjamin van Dyk (1924-1977) |
 | Amy Frances van Dyk (1926- ) |
 | Eliza Cornelius van Dyk (1929-2001) |
 | Nola van Dyk (1931-1993) |
| Alexander Henry Houston-McMillan (1887-1963) |
| Louisa Maria Maartens (1894-1976) |
| Lillian Doreen Houston-McMillan (1921-1992)
|
 | Jacobus Marthinus van Dyk (1911-1987)
|
| Nelson van Dyk (1939-2012) |
| Vernon van Dyk (1955-1995) |
