1. | Cornelis Johannes Birkhoff Family/Spouse: Adriana van Driel. [Group Sheet] [Family Chart]
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2. | Cornelia Elisabeth Birkhoff (1.Cornelis1) was born about 1894 in Moercapelle, ZH, NLD. Cornelia married Willem Fokkes Moolenaar on 31 Oct 1918 in Katwijk, ZH, NLD. Willem (son of Fokke Pieters Moolenaar and Antje Pieters de Jong) was born about 1893 in Sassenheim, ZH, NLD. [Group Sheet] [Family Chart] |