Dirk Gerrits Koster 1830–1840 | | |
| | Hebeltje Dirks de Vries 1806–1835 Gerrit Foekes Koster 1804–1865 | | | | Dirk Pieters de Vries 1774–1850 Jantjen Gerbens Metz 1779–1861 | | | | Bregje Dirks Metz 1745–1812 | | | | Sjoerd Pieters de Vries – |
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| | | Gerben Douwes Metz 1744–1836 Pietje Jans Tromp 1753–1832 | | | | Douwe Gerbrandus Metz 1706–1764 | | | | Gerbrandus Metz 1665–1727 Hesther Meinders … 1670–1737 | | |
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| | | Jan Tjellings Tromp 1722– | | |
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| | | Foeke Foppes Koster 1743–1809 Grietje Joostens Hekker 1750–1783 Martje Geerts Sparrius 1760–1856 | | | | | | Geert Martens Sparrius 1730–1810 | | |
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