Óengus Bolg, son of Lugaid

Lugaid

Lugaid is a popular medieval Irish name, thought to be derived from the god Lug. It is borne by a number of figures from Irish history and mythology, including:High Kings of Ireland...

, son of Mac Nia, son of Mac Con, son (or descendant) of Lugaid Loígde

Lugaid Loígde

Lugaid Loídge "Lugaid of the Calf Goddess", also known as Lugaid mac Dáire, was a legendary King of Tara and High King of Ireland. He is a son of Dáire Doimthech, a quo the Dáirine, and gives his epithet to their principal royal sept, the Corcu Loígde...

, son of Dáire Doimthech

Dáire Doimthech

Dáire Doimthech, alias Dáire Sírchréchtach, son of Sithbolg, was a legendary King of Tara and High King of Ireland, and eponymous ancestor of the proto-historical Dáirine and historical Corcu Loígde of Munster. A son of his was Lugaid Loígde , an ancestor of Lugaid Mac Con...

, was a king of the Corcu Loígde

Corcu Loígde

The Corcu Loígde , meaning Gens of the Calf Goddess, also called the Síl Lugdach meic Itha, were a kingdom centered in West County Cork who descended from the proto-historical rulers of Munster, the Dáirine, of whom they were the principal royal sept...

, and an ancestor of the Eóganachta

Eóganachta

The Eóganachta or Eoghanachta were an Irish dynasty centred around Cashel which dominated southern Ireland from the 6/7th to the 10th centuries, and following that, in a restricted form, the Kingdom of Desmond, and its offshoot Carbery, well into the 16th century...

 "inner circle" through his daughter Aimend

Aimend

In Irish mythology and genealogy, Aimend is the daughter of Óengus Bolg, king of the Dáirine or Corcu Loígde. She marries Conall Corc, founder of the Eóganachta dynasties, and through him is an ancestor of the "inner circle" septs of Eóganacht Chaisil, Eóganacht Glendamnach, and Eóganacht Áine, who...

, married to Conall Corc

Conall Corc

Corc mac Luigthig, also called Conall Corc, Corc of Cashel, and Corc mac Láire, is the hero of Irish language tales which form part of the origin legend of the Eóganachta, a group of kindreds which traced their descent from Conall Corc and took their name from his ancestor Éogan Mór. The early...

. This serves to legitimize the coming rule of the Eóganachta in Munster

Munster

Munster is one of the Provinces of Ireland situated in the south of Ireland. In Ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for administrative and judicial purposes...

, still ruled by the powerful Dáirine

Dáirine

The Dáirine , later known dynastically as the Corcu Loígde, were the proto-historical rulers of Munster before the rise of the Eóganachta in the 7th century AD. They appear to have derived from the Darini of Ptolemy and to have been related to the Ulaid and Dál Riata of Ulster and Scotland...

, of whom the Corcu Loígde are the sovereign royal sept.

The ruling sept of Corcu Loígde during the later Middle Ages, the Uí Builc, took their name from him. They later became known as the O'Driscolls.

Mythology

T. F. O'Rahilly

T. F. O'Rahilly

Thomas Francis O'Rahilly was an Irish scholar of the Celtic languages, particularly in the fields of Historical linguistics and Irish dialects. He was a member of the Royal Irish Academy.-Biography:He was born in Listowel, County Kerry, Ireland...

 believed Óengus Bolg is unhistorical and simply another emanation of the hypothetical Érainn ancestor deity Bolg. Thus, according to O'Rahilly, he is present to divinely represent the Érainn in a marriage to the Eóganachta.