Eochaid Faebar Glas, son of Conmáel

Conmael

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 Ireland, and the first to have been based in Munster...

, was, according to medieval Irish legend and historical tradition, a High King of Ireland

High King of Ireland

The High Kings of Ireland were sometimes historical and sometimes legendary figures who had, or who are claimed to have had, lordship over the whole of Ireland. Medieval and early modern Irish literature portrays an almost unbroken sequence of High Kings, ruling from Tara over a hierarchy of...

. His epithet means "blue-green sharp edge". According the Lebor Gabála Érenn

Lebor Gabála Érenn

Lebor Gabála Érenn is the Middle Irish title of a loose collection of poems and prose narratives recounting the mythical origins and history of the Irish from the creation of the world down to the Middle Ages...

, Geoffrey Keating

Geoffrey Keating

Seathrún Céitinn, known in English as Geoffrey Keating, was a 17th century Irish Roman Catholic priest, poet and historian. He was born in County Tipperary c. 1569, and died c. 1644...

's Foras Feasa ar Éirinn and the Annals of the Four Masters

Annals of the Four Masters

The Annals of the Kingdom of Ireland or the Annals of the Four Masters are a chronicle of medieval Irish history...

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

Kinsale

Kinsale is a town in County Cork, Ireland. Located some 25 km south of Cork City on the coast near the Old Head of Kinsale, it sits at the mouth of the River Bandon and has a population of 2,257 which increases substantially during the summer months when the tourist season is at its peak and...

, County Cork

County Cork

County Cork is a county in Ireland. It is located in the South-West Region and is also part of the province of Munster. It is named after the city of Cork . Cork County Council is the local authority for the county...

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

Fomorians

In Irish mythology, the Fomoire are a semi-divine race said to have inhabited Ireland in ancient times. They may have once been believed to be the beings who preceded the gods, similar to the Greek Titans. It has been suggested that they represent the gods of chaos and wild nature, as opposed to...

 (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

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...

). 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

Assyria was a Semitic Akkadian kingdom, extant as a nation state from the mid–23rd century BC to 608 BC centred on the Upper Tigris river, in northern Mesopotamia , that came to rule regional empires a number of times through history. It was named for its original capital, the ancient city of Assur...

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