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 | Oelof Abraham Izaak Davel (1870-1950) |
 | Cornelia Johanna van Helsdingen (1868- ) |
| Benjamin I. van Dyke (1867- ) |
| Prof. Hendrik Bastiaan Davel (1896-1959)
|
| Nell Louise van Dyke, (Amerikaner) (1897-1990)
|
