1. | baron Willem van Ittersum was born about 1838 in Ambt Hardenbergh, OV, NLD. Willem married Zwaantje Theodora Walter on 29 Nov 1878 in Gramsbergen, OV, NLD. Zwaantje (daughter of Hendrik Walter and Johanna Holties) was born about 1853 in Oude Pekela, GR, NLD. [Group Sheet] [Family Chart]
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2. | Jan Arent van Ittersum (1.Willem1) was born about 1880; died on 02 Apr 1948 in Baarn, UT, NLD. Family/Spouse: Maria Adelaide Delnoij. [Group Sheet] [Family Chart] |