When copying data from this family tree, please include a reference to the origin: J. Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_jacobs/I5454.php : accessed May 7, 2025), "Joost Jansen van Weert (± 1580-1636)".
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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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