When copying data from this family tree, please include a reference to the origin: W.H. Beindorff, "Genealogy Beindorff, Been et al", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_beindorff_been_et_al/I4362.php : accessed June 24, 2024), "Cornelis Willemszn. Valkenburg (± 1752-1831)".
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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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