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

. He ruled for six years, until he was killed by

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 ...

and his son

Dui Ladrach Dui Ladrach, son of Fíachu Tolgrach, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He helped his father kill the High King Art mac Lugdach, then helped Airgetmar take the throne by killing Art's son A ...

. 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 was succeeded by his 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 ...

; Keating and the Four Masters''

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 In the history of Europe, the Middle Ages or mediev ...

'
M4388
/ref> agree he was succeeded by his killer, Fíachu Tolgrach, who was later killed by Ailill Finn. The ''Lebor Gabála'' synchronises his reign with that of

Darius II of Persia Darius may refer to: Persian royalty ;Kings of the Achaemenid Empire * Darius I (the Great, 550 to 487 BC) * Darius II (423 to 404 BC) * Darius III (Codomannus, 380 to 330 BC) ;Crown princes * Darius (son of Xerxes I), crown prince of Persia, ma ...

(423–404). The chronology of Keating's ''Foras Feasa ar Éirinn'' dates his reign to 599–593 BC, that of the ''Annals of the Four Masters'' to 812–806 BC.

References

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