When copying data from this family tree, please include a reference to the origin: Edo Janssen, "Voorouders Janssen & de Groot", database, Genealogy Online (https://www.genealogieonline.nl/voorouders-janssen-en-de-groot/I36836.php : accessed April 26, 2024), "Maria van Alençon (????-1418)".
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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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