Brian. M1211.8. Raghnailt and Caillech De, two daughters of Roderic O'Conor, died. All of Ruaidrí's large male progeny faded into obscurity in the first half of the 13th century. The last to be mentioned in the Gaelic-Irish annals was his grandson, Niall son of Domnall Mór, who was killed in 1242. The result is that there are no demonstratable male-line descendants of Ireland's last high-king recorded after the 1240s. All kings of Connacht from 1233 descended from Ruaidrí's much younger brother, Cathal Crobhdearg Ua Conchobair. The Ó Conchubhair Donn, the senior member of the entire Síol Muireadaigh dynasty, likewise descends from Cathal Crobhdearg. Only two of Ruaidrí's descendants have ever attempted to claim the Irish High Kingship: Brian Ua Néill from 1258-1260 Edward Bruce from 1315-1318 Notes Footnotes References Ruaidrí Ua Conchobair, in Medieval Ireland:An Encyclopedia, pp. 466–471, ed. Seán Duffy, New York, 2005. . The Annals of Ulster Annals of the Four Masters Goddard Orpen, Song of Dermot and the Earl (1892) William Stubbs, edition of Benedictus Abbas (Rolls Series) Kate Norgate, England under the Angevin Kings, vol. ii. (1887). Giraldus Cambrensis, Opera, vol. v. (Rolls Series) External links High Kings of Ireland 12th-century Irish monarchs 1110s births 1198 deaths Kings of Connacht People from County Galway Ruaidri