Wilhelmina Birkhoff 1890– Gerhardus Johannes Wessing 1889–1982 | | | | | Gerhardus Johannes Wessing 1862–1927 Trijntje Bakker 1865–1910 | | | | Helena Jacoba Johanna Burgering – |
| | | Dirk Douwes Bakker 1838–1884 Klaaske Jans Roep 1839–1884 | | | | Douwe Cornelis Bakker 1809–1875 Trijntje Dirks de Groot 1813–1894 | | | | Cornelis Douwes Bakker 1777–1852 Grietke Pieters de Boer 1778–1819 | | |
| | | Dirk Jans de Groot 1782–1855 Janke Hiddes Kat 1791–1857 | | |
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| | | Jan Gerrits Roep 1790–1878 Klaaske Fopkes Nel 1798–1885 | | | | Gerrit Gerbrands Roep 1753–1826 Antke Jans Hotte 1755–1836 | | |
| | | Fopke Hansen Nel 1765–1816 | | |
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