Gille Na Naomh M'Arthur O'Bruin (died 1234)"Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 4" Cotton, H. p. 132 Dublin, Hodges & Smith, 1848–1878 was an Irish priest (of Archdeacon of Roscommon) in the 13th century."A New History of Ireland" T. W. Moody, F. X. Martin, F.J. Byrne and Cosgrove, A: Oxford, OUP, 1976
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