When copying data from this family tree, please include a reference to the origin: Jan Nieuwenhuizen, "Family tree Nieuwenhuizen-Van Ginkel en De Kruijf-Grootendorst", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-nieuwenhuizen-van-ginkel-de-kruijf-grootendorst/I503677.php : accessed May 12, 2025), "Claes Claesz Uijttermerkt Uijtermerkt (± 1600-????)".
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