 | Joseph Andries Jacobus van Dyk (1878-1955) 
|
 | Aletta Maria van Dyk (1882- )
|
| Joseph Andries Jacobus van Dyk (1905-1938)  |
| Frans Johannes van Dyk (1907-1981) |
| Anna Jacoba van Dyk (1913- ) |
| Rudolph Philip van Dyk (1916-2006) |
| Wilhelmina Johanna van Dyk (1920-1995) |
| Cornelia Maria Stone (1912-1989) |
| Marthinus Johannes van Dyk (1909-1984)
|
| Jacoba Margaretha Aletta Johanna van Dyk (1935-1936) |
| Marthinus Johannes van Dyk (1940-2002) |
