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Celt: Annals of the Four Masters : M995.3 Diarmaid, son of Domhnall, lord of Ui-...
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Celt: Annals of the Four Masters : M995.3 Diarmaid, son of Domhnall, lord of Ui-Ceinnsealaigh, was killed by Donndubhan, son of Imhar, through treachery.