When copying data from this family tree, please include a reference to the origin: Etienne Dermul, "Familiegeschiedenis familie Dermul en aanverwanten", database, Genealogy Online (https://www.genealogieonline.nl/familiegeschiedenis-dermul/I8901.php : accessed June 22, 2024), "Nikolaas Oscar van Lancker".
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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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