Dorothea Wilhelmina Albertina Spoelstra 1861–1934 | | | | Jarig Spoelstra 1834–1874 Willemina Albertina Hendrika Engel 1835–1874 | | | | Cornelis Jans Spoelstra 1795–1864 Sipkjen Gatses Haagsma 1794–1826 Rinske Jarigs van Vugt 1802–1881 | | | | | Gosse IJsbrands Haagsma – Wytske Jurjens Drijfhout – |
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| | | Dorothea Albertina Wilhelmina Souter – |
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