Muiredach Bolgrach, son of

Siomón Brecc Siomón Brecc ("the speckled, spotted, ornamented"), son of Áedan Glas, son of Nuadu Finn Fáil, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing the previous incumbent, Sétn ...

, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He took power after killing his predecessor, and his father's killer, Dui Finn, ruled for 13 months or four years depending on the source consulted, and was then killed by Dui's son Énna Derg. 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 ...

'' synchronises his reign with that of Artaxerxes I of Persia (465–424 BC). The chronology of

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'' dates his reign to 674–670 BC, that of 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 ...

'' to 894–893 BC.''

'
M4306-4307
/ref> His son was

Fíachu Tolgrach Fíachu Tolgrach, son of Muiredach Bolgrach, was a legendary High King of Ireland, according to some medieval and early modern Irish sources. In the '' Lebor Gabála Érenn'' he is not a High King: he kills the former High King Art mac Lugdach, bu ...

References

Legendary High Kings of Ireland {{Celt-myth-stub