1. | Pieter Sakes Boonstra was born on 18 Apr 1896 in Leeuwarden, FR, NLD. Pieter married Johanna Alles Siertsema on 08 Mar 1919 in Leeuwarden, FR, NLD. Johanna (daughter of Alle Siertsema and Emkje Eeltjes Boonstra) was born on 19 Jan 1898 in Appingedam, GR, NLD. [Group Sheet] [Family Chart]
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2. | P.A. Boonstra ![]() |
3. | L.W. Boonstra ![]() |