Annette Louise Louwerse – | | |
Marianne Hillegonda Louwerse – | | |
| | Cornelia Hermina Bierma – | | |
| | Petronella Sprinkhuisen – | | |
Robert Sebastiaan Bierma – | | |
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| | Gosse Idzes Bierma 1914–2011 Johanna Hillegonda Zeeman 1911–1944 | | |
Frederik Johannes Velders – | | |
| | Frederik Lambertus Velders 1905–1988 | | |
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| | Gosse Idzes Bierma 1863–1931 Johanna Jans Jensma 1866–1889 | | | | Ids Watzes Bierma 1839–1910 Trijntje Gosses Jensma 1840–1915 | | | | Watze Hessels Bierma 1793–1873 Trijntje Goffes de Boer 1793–1823 | | | | Hessel Idses Bierma 1767–1817 Antje Watses Douma 1769–1849 | | | | Ids Hessels Bierma 1743–1817 Trijntje [Nynke] Jans … 1747–1776 Gaatske Sjoerds Geroltsma 1756–1846 | | |
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| | | Goffe Jans de Boer 1764–1838 Trijntje Dirks Jaarsma 1767–1821 | | |
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| | | Gosse Goffes Jensma 1815–1893 Janke Dirks Miedema 1816–1907 | | | | Goffe Gerlofs Jensma 1771–1846 Sietske Jans Bergsma 1774–1810 Trijntje Gosses van der Wal 1790–1870 | | | | Gerlof Goffes Jensma 1739–1823 | | |
| | | | Gosse Klazes van der Wal – |
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| | | Dirk Hendriks Miedema 1792–1875 Trijntje Siedzes Koopmans 1795–1833 |
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| | | Jan Kornelis Jensma 1841–1927 Sjoukje Klazes Ypey 1848–1874 Renske Gerrits Postma 1847–1884 | | | | Cornelis Gerlofs Jensma 1782–1863 Trijntje Gosses … 1786–1811 Foekje Dirks Roeda 1789–1849 | | | | Gerlof Goffes Jensma 1739–1823 | | | | Trijntje Jans Posthumus 1710–1796 | | |
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| | | Dirk Foppes Roeda 1758–1825 | | |
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| | | Johanna Johannes Meekma – |
| | | Gerrit Gerrits Postma 1811–1863 Maaike Jans Hessels 1816–1891 | | | | Gerrit Gerrits Postma 1787–1837 Elisabeth Jans Brolsma 1787–1849 | | | | Gerrit Gerrits Postma 1753–1816 Pietje Gijsberts van Dussen 1751–1801 | | |
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