1. | Jakob Siertsema died before 1908 in Loppersum, GR, NLD. Family/Spouse: Trientje Bonnma. Trientje died before 1908 in Loppersum, GR, NLD. [Group Sheet] [Family Chart]
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2. | Alle Siertsema ![]() Family/Spouse: Emkje Eeltjes Boonstra. Emkje (daughter of Eeltje Sakes Boonstra and Johanna Emkes Schonenburg) was born on 31 Dec 1871 in Ferwerd, Ferwerderadeel, FR, NLD. [Group Sheet] [Family Chart]
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3. | Johanna Alles Siertsema ![]() Johanna married Pieter Sakes Boonstra on 08 Mar 1919 in Leeuwarden, FR, NLD. Pieter (son of Sake Eeltjes Boonstra and Saapke Pieters Aarnout) was born on 18 Apr 1896 in Leeuwarden, FR, NLD. [Group Sheet] [Family Chart]
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4. | P.A. Boonstra ![]() |
5. | L.W. Boonstra ![]() |