When copying data from this family tree, please include a reference to the origin: Ineke Hartman-Post, "Family tree Post - Bouwman - Koedoder - Van Zijl - Hartman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-post-bouwman-koedoder-van-zijl-hartman/I1844.php : accessed May 4, 2025), "Johannes van Rooij (1875-????)".
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