No dates exist for his reign, but Araile do fhlathaibh Ua nDubhda places him between Aodh mac Muirchertach Ua Dubhda (died 1143) and An Cosnmhaidh Ua Dubhda, called him ri o Roba go Codnuigh("king from the rivers Roba to Codhnach").
Rúaidhrí de Valera | Tadhg Riabhach Ó Dubhda | Ruaidhri Higgins |