When copying data from this family tree, please include a reference to the origin: Robin de Heij, "Pedigrees (van) Blokland(er)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-blokland/I22218.php : accessed September 24, 2024), "Arie van Hattem (1804-1877)".
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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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