Irish mythology Irish mythology is the body of myths native to the island of Ireland. It was originally passed down orally in the prehistoric era, being part of ancient Celtic religion. Many myths were later written down in the early medieval era by C ...

, Fiacha (, sometimes Fiachu, Fiachra or Fiachna), son of

Delbáeth Delbáeth or Delbáed (modern spelling: Dealbhaoth or Dealbhaodh) was one of several figures from Irish mythology who are often confused due to the repetition of the name in the mythological genealogies. Name According to the Dindsenchas, the nam ...

, of the

Tuatha Dé Danann The Tuath(a) Dé Danann (, meaning "the folk of the goddess Danu (Irish goddess), Danu"), also known by the earlier name Tuath Dé ("tribe of the gods"), are a supernatural race in Irish mythology. Many of them are thought to represent deity, ...

, was a legendary

High King of Ireland High King of Ireland ( ga, Ardrí na hÉireann ) was a royal title in Gaelic Ireland held by those who had, or who are claimed to have had, lordship over all of Ireland. The title was held by historical kings and later sometimes assigned ana ...

. 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 ...

'', he took the throne after his father was overthrown by Caicher son of Nama, brother of Nechtan.''

'
§63
/ref> 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 medieval Irish history. The entries span from the Deluge, dated as 2,24 ...

'' and

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 ...

say he overthrew his father himself. His mother was

Ernmas Ernmas is an Irish mother goddess, mentioned in ''Lebor Gabála Érenn'' and "Cath Maige Tuired" as one of the Tuatha Dé Danann. Her daughters include the trinity of eponymous Irish goddesses Ériu, Banba and Fódla, the trinity of war goddesses ...

. He had three daughters,

Banba In Irish mythology, Banba (modern spelling: Banbha ), daughter of Delbáeth and Ernmas of the Tuatha Dé Danann, is a matron goddess of Ireland. She was married to Mac Cuill, a grandson of the Dagda. She was part of an important triumvirate of ...

Fódla In Irish mythology, Fódla or Fótla (modern spelling: Fódhla, Fodhla or Fóla), daughter of Delbáeth and Ernmas of the Tuatha Dé Danann, was one of the tutelary giantesses of Ireland. Her husband was Mac Cecht. With her sisters, Banba and ...

, and

Ériu In Irish mythology, Ériu (; modern ga, Éire ), daughter of Delbáeth and Ernmas of the Tuatha Dé Danann, was the eponymous matron goddess of Ireland. The English name for Ireland comes from the name Ériu and the Germanic languages, Germani ...

, by his own mother.''

'
§64
/ref> He reigned for ten years, before he and his nephew

Aoi Mac Ollamain Aoi Mac Ollamain or Ai Mac Ollamain (also Mac Ollamo and Mac OllavainMatson, Gienna: ''Celtic Mythology A to Z'', page 2. Chelsea House, 2004. ) is a god of poetry and one of the Tuatha Dé Danann in Irish mythology Irish mythology is the ...

were killed in battle against Éogan of Imber.

References

Tuatha Dé Danann Legendary High Kings of Ireland {{celt-myth-stub