When copying data from this family tree, please include a reference to the origin: Eric van Dorland, "Genealogy Stamboom van Dorland / Dorland en aanverwante families", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-dorland/I602.php : accessed June 11, 2024), "Theunis Thijssen (< 1730-????)".
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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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