When copying data from this family tree, please include a reference to the origin: R. Ooijevaar, "Ancestors Ooijevaar", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-ooijevaar/I27489.php : accessed June 8, 2024), "Abraham "Abraham" IJsaaksz Koomen (????-1708)".
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