When copying data from this family tree, please include a reference to the origin: Johan Koolwaaij, "Family tree Koolwaaij - Van Buuren", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koolwaaij-van-buuren/I13655.php : accessed June 21, 2024), "Maria Catharina van Olderen".
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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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