Lóegaire Lorc, son of Úgaine Mor, was, according to medieval Irish legend and historical tradition, a High King of Ireland.
The Lebor Gabála Érenn[1] says he succeeded directly after his father was murdered by Bodbchad, although Geoffrey Keating[2] and the Annals of the Four Masters[3] agree that Bodbchad seized power for a day and a half before Lóegaire killed him.
His brother Cobthach Cóel Breg coveted the throne, and, taking the advice of a druid, pretended to be sick so Lóegaire would visit him.
When he arrived, Cobthach feigned death, and when Lóegaire was bent over his body in mourning, stabbed him in with a dagger.
Cobthach then paid someone to poison Lóegaire's son Ailill Áine, and forced Ailill's son Labraid to eat his father's and grandfather's hearts and a mouse, before forcing him into exile, supposedly because it was said that Labraid was the most hospitable man in Ireland.