When copying data from this family tree, please include a reference to the origin: Robert Janssen, "Ancestors 2 Robert Janssen", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-2-robert-janssen/P282.php : accessed September 27, 2024), "Ruprecht I van Laurenburg (1110-1152)".
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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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