Family Group Sheet| FATHER | | Jacob Jans | | REF # | | 10997; | | | | MOTHER | | Dieuwke Sybes | | REF # | | 10998; |
| | | CHILDREN | | 1. | Jan Jacobs (van der Werff) MALE | | | BIRTH | about 1659 | | | DEATH | about 1735 | | | REF # | | 10983; | | OCCUPATION | | Scheepstimmerman te Heeg; | | MARRIAGE | 19 June 1698 | Wypkje Lamberts Haga; Heeg |
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