| | Kornelis Sikkema 1840–1889 Trijntje Garmts Heuvel 1842–1903 | | | | Aldert Cornelis Sikkema 1805–1854 Grietje Kornelis Bruins 1813–1893 | | | | Cornelis Alderts Sikkema 1774–1854 Grietje Jans Griede 1783–1862 | | | | Aldert Jans Sikkema 1729–1775 | | |
| | | Jan Jans Griede 1737–1820 Jantje Willems Medema 1755–1818 | | |
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