When copying data from this family tree, please include a reference to the origin: Pieter, "West-Europese adel", database, Genealogy Online (https://www.genealogieonline.nl/west-europese-adel/I76522.php : accessed May 18, 2024), "Frederik I Graaf van Weimar-Orlamünde (????-1365)".
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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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