Check the information Open Archives has about Van Voorthuizen.
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The Family tree Van Ee, Houthuijs en Krabbendam publication was prepared by Harry van Ee (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Harry van Ee, "Family tree Van Ee, Houthuijs en Krabbendam", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-ee/I547.php : accessed January 24, 2026), "Willem van Voorthuizen (1863-????)".
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