When copying data from this family tree, please include a reference to the origin: Frits Derksen, "Stamboom Derikx, Derksen en Heijnen", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-derksen/I5317.php : accessed March 26, 2023), "N.N. Cornelisdr Ruijter".
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