When copying data from this family tree, please include a reference to the origin: P. den Os, "Family tree Den Os open eindjes 2015", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-os-open-eindjes/I71601376.php : accessed May 18, 2024), "Willempje Maartense Booij (1705-????)".
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