Feradhach mac Lughaidh, 8th king of Uí Maine, fl. 6th-century.
John O'Donovan remarked that "Feradhach, the son of Lughaidh, was prince of Hy-Many for twenty-four years, when he was slain by his successor."
References
Feradhach mac Lughaidh Wikipedia(Text) CC BY-SA