Family Group Sheet| FATHER | | Jan Wopkes Ritsema | | | | MOTHER | | Grietje Pieters van der Veen | | BIRTH | 13 February 1897 | Herbaijum, Franekeradeel, Friesland, Netherlands | | DEATH | 13 November 1997 | Oenkerk | | FATHER | Pieter Joukes van der Veen | | MOTHER | Sjoukje Froukes Vellinga |
| | | CHILDREN | | 1. | Wopke Jans Ritsema MALE |
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