Brut y Tywysogyon 1116 says Iwerydd and Bleddyn were brother and sister by the s...

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Brut y Tywysogyon 1116 says Iwerydd and Bleddyn were brother and sister by the same father but not the same mother. However, ABT 2e cites her mother as Angharad ferch Maredudd ap Owain; ABT 1e also makes Angharad the mother of Bleddyn. Wolcott states that he gives more weight to the Brut version as the earlier source. Cited by Darrell Wolcott. The Ancestry of Edwin of Tegeingl Accessed August 4, 2018 jhd

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