When copying data from this family tree, please include a reference to the origin: Elsevier - Elzevier, "Descendants Louis Elsevier e.a.", database, Genealogy Online (https://www.genealogieonline.nl/nakomelingen-louis-elsevier/I12933.php : accessed June 25, 2024), "Jan Pietersz BLANKERT (1734-1801)".
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