 | Frederik Albrecht van Dyk (1885-1963) 
|
 | Philippina Jacomina Halgryn (1897- )
|
| Catharina Maria van Dyk (1918- )  |
| Philippus Jacobus van Dyk (1919-1994) |
 | Elizabeth van Dyk (1922- ) |
| Samuel van Dyk (1927- ) |
| Gideon van Dyk (1928- ) |
| Cornelia van Dyk (1935-2004) |
| Charles Ernest Weston (1893- ) |
| Catherine Hayes (1894- ) |
| Gwendoline Alice Weston (1924-1982)
|
| Nicolaas Johannes van Dyk (1923-1995)
|
