Cairbre

Cairbré Lifechair was the son of Cormac Mac Airt, whom he succeeded as high king of Ireland. His mother was named Eithne (probably Eithne Tháebfhota), and he was the brother of Cellach, Ailbe and Grainne. He was known as Cairbré Lifechair or Cairbré of Liffey.

In Echtrae Cormaic (The Adventure of Cormac), he was taken away from his father, along with his mother and sister Ailbe, by a nameless warrior (Manannán Mac Lir) with a branch and three golden apples.

Unlike his father, Cairbre was jealous of the power of Finn Mac Cumhaill and the Fianna. Cairbre was determined to disband or destroy the Fianna. He incited other province kings to war against the Fianna. Only the province Munster sided with Finn. Goll Mac Morna, former captain of the Fianna, aided Cairbre in the war.

In the Battle of Gabhra, the Fianna was defeated and Finn's grandson Oscar was killed in single combat with Cairbre. Caribe was also killed in this battle.