When copying data from this family tree, please include a reference to the origin: Daniela Puetz, "Family tree Bekker Hartman Crooij", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bekker-hartman-crooij/I1520.php : accessed June 22, 2024), "Claes Adriaensz Geus (????-> 1641)".
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