 | Jacobus Johannes Hermanus van Dyk (1895-1946) 
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 | Catharina Magdalena Wilhelmina Swart (1901- )
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| Lodewyk Wessel Gerhardus van Dyk (1924-2008)  |
| Elizabeth Johanna van Dyk (1926- ) |
| Sophia Dorothea van Dyk (1929- ) |
| Jacobus Johannes van Dyk (1932-1989) |
| Dirk Adriaan van Dyk (1935-2009) |
| Dirk Adriaan van Dyk (1935- ) |
| Willem Godlieb van Dyk (1927- )
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