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Son of Donnchad Donn Mac Flainn, High King of Ireland and Cainnech ingen Canannán Brother of Flann ingen Donnchaid; Domnall Donn, King of Tara; Oengus mac Donnchad; Oebhinn nic Donnchad and Conn mac Donnchad
http://fmg.ac/Projects/MedLands/IRELAND.htm#_Toc389126181