Family Group Sheet| FATHER | | Jan Sjoukes Keulen | | BIRTH | 10 October 1904 | | | FATHER | Sjouke Jans Keulen | | MOTHER | Margje Pieters Zeldenrust | | | | MOTHER | | Hielkjen Wierstra | | BIRTH | 24 May 1908 | | | FATHER | Age Lykeles Wierstra | | MOTHER | Jetske Stegenga |
| | | CHILDREN | | 1. | Age Jans Keulen MALE | | | BIRTH | 18 September 1933 | |
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