When copying data from this family tree, please include a reference to the origin: A.J. Dekker, "Dekker Genealogy Online", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-dekker/I575853.php : accessed June 21, 2024), "Jacob op den Hoff (????-> 1539)".
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Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
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