Family Group Sheet| FATHER | | Rein Sipkes | | BIRTH | about 1687 | | | REF # | | 19420; | | | | MOTHER | | NN Ygrams van der Werf | | BIRTH | about 1687 | Balk | | REF # | | 19430; | | FATHER | Ygram NN van der Werf | | MOTHER | Brecht Gerbens |
| | | CHILDREN | | 1. | Bregt Reins van der Werf FEMALE | | | BIRTH | 1708 | Balk | | REF # | | 19421; |
| | 2. | Ygram Reins van der Werf MALE | | | BIRTH | 1712 | Balk | | REF # | | 19415; | | MARRIAGE | 1735 | Klaaske Pijtters; Balk |
| | 3. | Yske Reins van der Werf FEMALE | | | BIRTH | 1714 | Balk | | REF # | | 19422; |
| | 4. | Yfke Reins van der Werf FEMALE | | | BIRTH | 1717 | Balk | | REF # | | 19423; |
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