1. | Gerrit Cornelis Kooistra was born on 17 Dec 1895 in Franeker, FR, NLD. Gerrit married Tjitske Jans Wijnia on 30 Nov 1921 in Franeker, FR, NLD. Tjitske (daughter of Jan Watzes Wijnia and Joukje Martens de Boer) was born on 12 Mar 1897 in Lollum, Wonseradeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | J.G. Kooistra ![]() J.G. married S.J. van der Boom [Group Sheet] [Family Chart]
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3. | T. van der Boom ![]() |