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 | Dr. Cornelius Godfrey Lodewyk van Dyk (1890-1955)
|
 | Dr. Catherine Jean Anderson (1889-1964) |
| Margaret Susannah van Dyk (1919-1993)  |
| Godfrey Louis van Dyk (1923-1976) |
| Ann Jean van Dyk (1930-2021) |
| Reginald van Dyk (1934-1982) |
| Dr. James Conrad van Dyk (1927-1967)
|
| Irene Norris Pratt (1926- ) |
| Catherine Jean van Dyk (1955-2002) |
