| | Drewes Jans Wierenga 1824–1902 Diewertje Hendriks Spoelma 1830–1898 | | | | Jan Jans Wierenga 1796–1871 Anje Drewes Bakema 1798–1839 Hendriktje Rijpkes Buikema 1811–1894 | | | | Jan Heemes Wierenga 1746–1807 Grietje Berents Bloem 1730–1777 Derkjen Wierts Evers …–1797 | | |
| | | Drewes Levys Bakema 1769–1846 Diewerke Rennes Zaagman 1773–1854 | | |
| | | Rijpke Rijpkes Buikema 1777–… |
|
|
| | | Hendrik Roelfs Spoelma 1793–1848 Trientje Geerts Roon 1788–1863 | | | | Roelf Hartelief Harteliefs Spoelema 1753–1813 Trijntje Wibbes Venecamp 1756–1808 | | |
| | | Geert Lodewijks van Roon 1733–1788 Diewertje Kornelis 1759–1843 | | |
|
|
|
|