When copying data from this family tree, please include a reference to the origin: marijke bijkerk, "Ancestors Bijkerk", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-bijkerk/I50076432.php : accessed May 26, 2024), "Johanna (Johanna ) van Wilsum (< 1685-????)".
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