Family Group Sheet| FATHER | | Rinze Koopal | | FATHER | Jan Daniel Jeeps Koopal | | MOTHER | Elisabeth Tichelaar | | | | MOTHER | | Margje Oosterhof | | FATHER | Joost Hendriks Oosterhof | | MOTHER | Roelofje Berends Moet |
| | | CHILDREN | | 1. | Joost Koopal MALE | | | BIRTH | 1869 | wirdum | | DEATH | 7 September 1952 | Sneek | | MARRIAGE | 23 December 1894 | Grietje Lieuwes Boom; Sneek |
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