When copying data from this family tree, please include a reference to the origin: Dieneke Suijkerbuijk, "Family tree Suijkerbuijk/de Koning - Smit/Koenen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-suijkerbuijk-de-koning-smit-koenen/I571619.php : accessed June 22, 2024), "Derk Jan Hilferink (1705-1781)".
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