When copying data from this family tree, please include a reference to the origin: J. Russchenberg, "Family tree Russchenberg/Wind/Kuijt/Kloos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-russchenberg/I60994.php : accessed May 25, 2024), "Klaas Jans van der Werff (1811-1859)".
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