Rinnal
In Irish mythology, Rinnal son of Genann of the Fir Bolg became High King of Ireland when he overthrew Fiacha Cennfinnán. He is said to have been the first king in Ireland to use spearheads.
He ruled for five or six years before being overthrown by his cousin Fodbgen, son of Sengann.
Primary sources
Lebor Gabála Érenn- Annals of the Four Masters
- Geoffrey Keating's ''Foras Feasa ar Érinn''