Óengus mac Mugróin

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Who is Óengus mac Mugróin?

Óengus mac Mugróin was a king of the Uí Failge, a Laigin people of County Offaly. He was the son of Mugrón mac Flainn, a previous king. He ruled from 783 to 803.

A conflict within the Uí Failge led to a slaughter in 789 at Cluain Ferta Mongáin by Óengus at which his cousin Áed mac Tomaltaig was slain. In 803 he was treacherously killed by the followers of Fínsnechta Cethardec mac Cellaig, over king of Leinster. Finsnechta was ensuring his control of the church of Kildare which led to conflict with the Uí Failge.

His grandson Máel Sinchill mac Mugróin was a King of the Uí Failge.

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Submitted
on July 23, 2013

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