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The Genealogische database Eisenga publication was prepared by Ruut Eisenga (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Ruut Eisenga, "Genealogische database Eisenga", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-eisenga/I5442.php : accessed February 18, 2026), "Johannes Casper Hahn".
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