When copying data from this family tree, please include a reference to the origin: Christine van Vliet-van de Wetering, "Family tree Kattenberg, Aalders, van de Wetering", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kattenberg-aalders-van-de-wetering/I3135.php : accessed June 23, 2024), "Klaas Penninkhof".
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