Eterscel

Eterscel was the high king of Ireland. Eterscel fell in love with Mes Buachalla, the foster-daughter of his cowherd. Mes Buachalla was the daughter of Cormac, the king of Ulster, and Etain Og (the Younger), daughter of Etain and Eochaidh, high king of Ireland.

Nemglan, a Danann and bird-god, seduced Mes Buachalla. She became the mother of Conaire Mor. When Eterscel died, his stepson (Conaire Mor) replaced him.

See Rise of Conaire Mor (Ulaid Cycle) for the full story.