When copying data from this family tree, please include a reference to the origin: Bernard-Jan Venhoven, "Family tree van Venhoven en Alster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-bernard-jan-en-darja/I504426.php : accessed June 1, 2024), "Cornelis Johannes Lourentius Heman".
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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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