When copying data from this family tree, please include a reference to the origin: Erwin Maas, "Family tree Erwin Maas en verwanten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-erwin-maas/I7397.php : accessed March 6, 2026), "Rosa Jacoba van Look (Loock) (± 1795-????)".
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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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