| | Johann (Jan) Hinrichs 1685–1758 | | | | | Albert (1) Roskam 1650–1715 Maria Mennen Bunger 1660–1710 | | | | Coert Roskam (Roskamp) 1610–1672 Margarethe van Hövel 1615–1658 Gretje Jajen Wittinga (Wittingha) 1625– | | | | Plegman Roskam (Roszkam) 1580–1649 |
| | | | | | | Jaje (1) Wittingha 1555–1597 |
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| | | | | | | Jaje (1) Wittingha 1555–1597 |
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