When copying data from this family tree, please include a reference to the origin: Karel Boonstra, "Family tree Boonstra/Boven", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-boonstra-boven/I16197.php : accessed June 13, 2024), "Bernard van Saint-Valery-sur-Somme V".
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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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