When copying data from this family tree, please include a reference to the origin: Henk Niesten, "Family tree familie Niesten Kennemerland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-familie-niesten/I11430.php : accessed May 9, 2024), "Eberhard I "Eberhard" van Nellenburg (± 865-????)".
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