When copying data from this family tree, please include a reference to the origin: Berry van Osch, "Family tree Van Osch", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-osch/I26158.php : accessed June 18, 2024), "Joannes Janssen van der Aa (± 1705-????)".
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Please stick to the following rules
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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