When copying data from this family tree, please include a reference to the origin: I. van Oorschot, "Family tree Van Oorschot-Van den Berg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-oorschot-van-den-berg/I7809.php : accessed May 30, 2024), "Johannes Adriaan Verhallen (± 1841-????)".
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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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