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Son of Ros the Red mac Fergusa Fairrghe, King of Leinster and Maga Father of Conchobhar Arbratruad mac Find, Rí na h'Éireann Brother of Cairbre . mac Rois; Lugaidh . mac Rois; Alt . mac Rois; Ailill Mór (Táin Bó Cúailnge) and Fachtna Mac Rois Half brother of Deichtine; Elbha (Elva) and Findchaem (Finchoom)