| | Jacob Peters Spekker 1808–1892 Eitedina Harms Janssen 1815–1885 | | | | Staas Berends Spekker 1776–1847 Antje Hindriks Groeneveld 1773–1840 | | | | Berend Staes Spekker 1740–1818 Hayelke Peters Polmann 1747–1783 | | |
| | | Hindrik Elsen Groeneveld 1737–1792 Rixte Wolberts Martens 1731–1786 | | |
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| | | Harm Aalderks Janssen 1780–1851 Alke Geerds Aeitonius 1783–1852 | | | | Geerd Aalderks Aitonius (Aithoni) 1749–1786 Jantje Mennen Smid 1757–1844 | | |
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