When copying data from this family tree, please include a reference to the origin: Clara Maria Spaan, "Genealogy Spaan", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-spaan/I508343.php : accessed October 15, 2026), "Ragnvald Ulfsson "de Oudere" (Ragnvald Ulfsson "de Oudere") van Zweden I (970-1020)".
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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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