Rothechtaid Rotha, son of Róán, son of Failbe, son of Cas Cétchaingnech, son of Faildergdóit, apparently king of the eastern midland kingdom of the Gailenga and High King of Ireland
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Rothechtaid mac Main, son of Maen, son of Óengus Olmucaid, according to medieval Irish legend and historical tradition, High King of Ireland