Eochaid Faebar Glas, son of

Conmáel Conmáel, son of Éber Finn, according to medieval Irish legend and historical traditions, became High King of Ireland when he killed Ethriel, son of Íriel Fáid, in the Battle of Rairiu. He was the first Milesian High King to have been born in ...

, was, according to medieval Irish legend and historical tradition, a High King of Ireland. His epithet means "blue-green sharp edge". According to the ''

Lebor Gabála Érenn ''Lebor Gabála Érenn'' (literally "The Book of the Taking of Ireland"), known in English as ''The Book of Invasions'', is a collection of poems and prose narratives in the Irish language intended to be a history of Ireland and the Irish fro ...

'',

Geoffrey Keating Geoffrey Keating ( ga, Seathrún Céitinn; c. 1569 – c. 1644) was a 17th-century historian. He was born in County Tipperary, Ireland, and is buried in Tubrid Graveyard in the parish of Ballylooby-Duhill. He became an Irish Catholic priest and a ...

's ''Foras Feasa ar Éirinn'' and the ''

Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' ( ga, Annála Ríoghachta Éireann) or the ''Annals of the Four Masters'' (''Annála na gCeithre Máistrí'') are chronicles of Middle Ages, medieval Irish history. The entries span from the Flood myt ...

'', he came to power after killing the joint High King, Cermna Finn, in battle at Dún Cermna (Downmacpatrick in

Kinsale Kinsale ( ; ) is a historic port and fishing town in County Cork, Ireland. Located approximately south of Cork City on the southeast coast near the Old Head of Kinsale, it sits at the mouth of the River Bandon, and has a population of 5,281 (a ...

County Cork County Cork ( ga, Contae Chorcaí) is the largest and the southernmost county of Ireland, named after the city of Cork, the state's second-largest city. It is in the province of Munster and the Southern Region. Its largest market towns a ...

), and Cermna's brother and colleague Sobairce was killed by Eochaid Menn of the

Fomorians The Fomorians or Fomori ( sga, Fomóire, Modern ga, Fomhóraigh / Fomóraigh) are a supernatural race in Irish mythology, who are often portrayed as hostile and monstrous beings. Originally they were said to come from under the sea or the eart ...

(another version of the ''Lebor Gabála'' says he came to power at the end of a seven-year interregnum following the death of

Tigernmas Tigernmas, son of Follach, son of Ethriel, a descendant of Érimón, was, according to medieval Irish legend and historical traditions, an early High King of Ireland. According to the ''Lebor Gabála Érenn'' he became king when he overthrew his ...

). He killed Smirgoll, grandson of Tigernmas, in the battle of Druimm Liatháin. He ruled for twenty years, until he was killed by Smirgoll's son Fiacha Labrainne in the battle of Carman. The ''Lebor Gabála'' synchronises his reign with that of Piritiades in

Assyria Assyria ( Neo-Assyrian cuneiform: , romanized: ''māt Aššur''; syc, ܐܬܘܪ, ʾāthor) was a major ancient Mesopotamian civilization which existed as a city-state at times controlling regional territories in the indigenous lands of the ...

. Keating's chronology dates his reign to 1115–1095 BC, that of the ''Annals of the Four Masters'' to 1493–1473 BC.''

'
M3667-3707
/ref>

References

Legendary High Kings of Ireland {{Ireland-royal-stub