When copying data from this family tree, please include a reference to the origin: Mike Zippro, "Family Tree Zippro/Muse", database, Genealogy Online (https://www.genealogieonline.nl/family-tree-zippro-muse/I21358.php : accessed May 28, 2024), "Princess Tetburga de Rheinfelden of Germany (± 1059-????)".
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