When copying data from this family tree, please include a reference to the origin: Guus Roijen, "Family tree van Frances Vraets en Guus Roijen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vraets-roijen/I14085.php : accessed May 31, 2024), "Petrus Claessens (1739-1823)".
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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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