When copying data from this family tree, please include a reference to the origin: Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I90258.php : accessed May 4, 2025), "Donnchadh mac Toirdelbach Ó Briain King of Thomond (????-1311)".
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