When copying data from this family tree, please include a reference to the origin: Viviënne Crutzen, "Genealogy van der Does Roumen van Helden", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-van-der-does-roumen-van-helden/I6572.php : accessed June 28, 2024), "Catharine Le Mercier".
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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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