Johanna Maria Siccama 1922–1922 | | |
| | Geertruida Gerritsen 1899–1990 Albertus Jacobus "Jacob" Siccama 1899–1978 | | | | Gerardus "Gradus" Gerritsen 1865–1950 Maria van Kortenhof 1859–1945 | | | | Theodorus Gerritsen 1829–1885 | | | | Gerardus "Gradus" Gerritsen 1797– Hermina Hermsen 1803–1837 | | | | Joannes "Jan" Gerritzen 1766–1836 | | |
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| | | Geertruida Bastiaans 1812–1878 | | |
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| | | Wernerus van Kortenhof 1815–1878 Geertruida Hoksbergen 1820–1886 | | | | Wilhelmus Vincentius "Willem" van Kortenhof 1780–1838 Gertrudis Maria Sanders 1776–1849 | | | | Theodorus Jansen "Derk" van Kortenhof 1733–1800 Antonia "Antonetta, Netta" Groenen 1742–1829 | | |
| | | Wernerus "Wheer" Sanders 1744–1819 Everdina "Dina" Jordaans 1750– | | |
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| | | Cornelis Hoksbergen 1796– | | | | Johannes "Jan" Hoksbergen 1755–1841 Regina van Heumen 1757–1820 | | |
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| | | Christianus Franciscus Siccama – |
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