 | Marthinus Cornelius van Dyk (1875- ) 
|
 | Maria Margaretha Alberta Niemand (1877- ) |
| Willem Abraham van Dyk (1897-1957)  |
| Cecilia Johanna van Dyk (1905- ) |
| Marthinus Cornelis van Dyk (1906- ) |
| Maria Margaretha Alberta van Dyk (1908-1976) |
| Jacobus Adriaan van Dyk (1910-1932) |
| Willem Adriaan van Dyk (1912-1971) |
| Susanna Louisa Maria van Dyk (1899- )
|
