Family Group Sheet| FATHER | | Jacob Jans Janstra | | BIRTH | 26 August 1770 | Hemelum | | DEATH | 1806 | Mirns | | REF # | | 28097; | | FATHER | Jan Harmens | | MOTHER | Wiepke Ottes | | | | MOTHER | | Ynskjen Hendriks Keulen | | BIRTH | 1779 | | | REF # | | 28090; | | FATHER | Hendrik Jans Keulen | | MOTHER | Hiltje Gerlofs Polderboer |
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