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Son of Fedlimid Rechtmar mac Tuathail, Ard rí na h'Éireann {Legendary, Lebor Gabála Érenn} and Ughna (Cnuacha), {Legendary, Lebor Gabála Érenn} Brother of Conn of the Hundred Battles (Lebor Gabála Érenn) and Fiacha mac Fedelmid (The Expulsion of the Déisi)