General Notes

One of the victors in the battle of Ocha 482; defeated and killed Oengus (king of Munster) in 489; likewise Duach Teangumha in 504, extended the kingdom of Ailech into Derry by conquest and defeated the Leinsterman, 524; killed Sighe mac Dian, whose daughter, Sin, became his concubine to avenge her father; he was killed when she set fire to the house where he lay drunk, All Hallow's Eve.