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The Die Wittgensteiner Familiendatei publication was prepared by Jochen Karl Mehldau (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Jochen Karl Mehldau, "Die Wittgensteiner Familiendatei", database, Genealogy Online (https://www.genealogieonline.nl/die-wittgensteiner-familiendatei/I875088.php : accessed June 24, 2024), "Gertrud NN3 (± 1565-????)".
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