| | | | | | | | | Sikke {James} Johannes Jensma 1872–1965 Christina Jacoba van Dam 1893–1966 | | | | Johannes Sikkes Jensma 1844–1887 Sjoukje Jans Bierma 1848–1934 | | | | Sikke Johannes Jensma 1811–1882 Aafke Lieuwes Banga 1814–1890 | | |
| | | Jan Hessels Bierma 1806–1859 Anna Margaretha Douwes Bosch 1803–1886 | | |
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| | | Johanna Elisabeth van Vliet – |
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