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/I2104.php : accessed May 4, 2025), "Johannes Verkerk".
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Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
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