When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I7624.php : accessed December 24, 2025), "Joannnes "Jan" (Joannnes "Jan") d'Ursel (Van Ursel, Ursene)".
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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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