When copying data from this family tree, please include a reference to the origin: Hans Middendorp, "Family tree Simmers uit Zierikzee en Stavenisse in Zeeland ", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-simmers/I57167.php : accessed February 1, 2026), "Izak Moses van Gelderen".
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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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