Dui Ladrach, son of Fíachu Tolgrach, was, according to medieval Irish legend and historical tradition, a

High King of Ireland High King of Ireland ( ) 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 was later sometimes assigned anachronously or to leg ...

. He helped his father kill the High King

Art mac Lugdach Art, son of Lugaid Lámderg, 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, Conaing Bececlach. He ruled for six years, until he was ...

, then helped Airgetmar take the throne by killing Art's son

Ailill Finn Ailill Finn, son of Art mac Lugdach, was, according to medieval Irish legend and historical tradition, a High King of Ireland. In the ''Lebor Gabála Érenn'', he succeeded to the throne when his father was killed by Fíachu Tolgrach and his s ...

and grandson Eochu mac Ailella. Finally he and

Eochu Fíadmuine Eochu Fíadmuine was, according to medieval Irish legend and historical tradition, joint High King of Ireland with his brother or half-brother Conaing Bececlach. They took power after killing the previous High King, Eochu Uairches. Eochu ruled t ...

's son

Lugaid Laigdech Lughaidh ( or ; ) is an Irish-language name, from Old Irish which is thought to be derived from the name of the god Lugh, Lug, generally anglicised as Louis (given name), Louis or Lewis (given name), Lewis. The name is prevalent among figures in ...

killed Airgetmar, and Dui took the throne himself, ruling for ten years until his former accomplice Lugaid killed him. The ''Lebor Gabála'' synchronises his reign with that of

Artaxerxes III of Persia Ochus ( ), known by his dynastic name Artaxerxes III ( ; ), was King of Kings of the Achaemenid Empire from 359/58 to 338 BC. He was the son and successor of Artaxerxes II and his mother was Stateira. Before ascending the throne Artaxerxes was ...

(358–338 BC). The chronology of

Geoffrey Keating Geoffrey Keating (; – ) was an Irish historian. He was born in County Tipperary, Ireland, and is buried in Tubrid Graveyard in the parish of Ballylooby-Duhill. He became a Catholic priest and a poet. Biography It was generally believed unt ...

's ''Foras Feasa ar Éirinn'' dates his reign to 547–537 BC, that of the ''

Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' () or the ''Annals of the Four Masters'' () are chronicles of Middle Ages, medieval Irish history. The entries span from the Genesis flood narrative, Deluge, dated as 2,242 Anno Mundi, years after crea ...

'' to 748–738 BC.''

'
M4452-4462
/ref> His son was

Eochu Buadach Eochu Buadach, son of Dui Ladrach, was, according to some redactions or versions of Lebor Gabála Érenn, a High King of Ireland. However, he is not included as a High King in other versions of the story. He was the father of two High Kings of Ire ...

, who was the father of High King Ugaine Mor Mac Eochach.

References

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