When copying data from this family tree, please include a reference to the origin: Jos Robbertsen, "Family tree Robbertsen-Dierks Limburg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-robbertsen-dierks/I2710.php : accessed May 14, 2024), "Theodoor Keulen (± 1815-????)".
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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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