Ailill Caisfiaclach ("having crooked/hateful teeth"), son of

Connla Cáem Connla Cáem ("the beautiful"), also known as Connla Cruaidchelgach ("bloody blade"), son of Irereo, was, according to medieval Irish legend and historical tradition, a High King of Ireland. Biography He came to power after he killed his predecess ...

, was, according to medieval Irish legends and historical traditions, a

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 ...

. He succeeded his father, and reigned for twenty-five years, until he was killed by

Adamair Adamair (Adammair, Adhamair, Amadir), son of Fer Corb, was, according to medieval Irish legends and historical traditions, a High King of Ireland. He came from Munster, killed the previous incumbent, Ailill Caisfhiaclach, and reigned for five y ...

, the son of

Fer Corb Fer Corb ("chariot man"), son of Mug Corb, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He came to power after killing his predecessor, and his father's killer, Irereo, in Ulster. He ruled for eleven yea ...

the man who had killed Ailill's grandfather. 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

Ptolemy V Epiphanes egy, Iwaennetjerwymerwyitu Seteppah Userkare Sekhem-ankhamun Clayton (2006) p. 208. , predecessor = Ptolemy IV , successor = Ptolemy VI , horus = '' ḥwnw-ḫꜤj-m-nsw-ḥr-st-jt.f'Khunukhaiemnisutkhersetitef'' The youth who ...

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...

(204–181 BC). Geoffrey Keating's ''Foras Feasa ar Éirinn'' dates his reign from 315 to 290 BC, 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 ...

'' from 443 to 418 BC.''

'
M4758-4782
/ref>

References

Legendary High Kings of Ireland 3rd-century BC rulers {{Celt-myth-stub