Domnall mac Brian Ruadh Ó Briain
Domnall mac Brian Ruadh Ó Briain, known as Donald O'Brien of Ara, was a younger son of Brian Ruadh. He married Mairéad Nic Mathghamhna and fathered Donnchad mac Domnaill and Brian Bán, both later kings of Thomond.
Domnall mac Brian Ruadh Ó Briain, known as Donald O'Brien of Ara, was a younger son of Brian Ruadh. He married Mairéad Nic Mathghamhna and fathered Donnchad mac Domnaill and Brian Bán, both later kings of Thomond.