When copying data from this family tree, please include a reference to the origin: Wilferd Duckitt, "Wilferd Duckitt's Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/family-tree-wilferd-duckitt/I6000000003518663158.php : accessed May 21, 2024), "Petrus Hermanus van Sittert".
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Please stick to the following rules
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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