When copying data from this family tree, please include a reference to the origin: Sjoerd Willems, "Family tree Willems - Van den Heuvel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-willems-van-den-heuvel/I13828.php : accessed May 17, 2024), "Lucas van Tetrode".
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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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