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The Genealogy van Gils publication was prepared by Peter van Gils (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Peter van Gils, "Genealogy van Gils", database, Genealogy Online (https://www.genealogieonline.nl/van-gils-genealogie/I1372.php : accessed June 5, 2024), "Johannis van Elferen".
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