When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I10097.php : accessed January 31, 2026), "Heintjen Kets (± 1868-????)".
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