Óttar of Dublin

Óttar of Dublin (or Óttarr of Dublin), in Irish Oitir Mac mic Oitir (Oitir the son of a son of Oitir), was a Hiberno-Norse King of Dublin from 1142-1148. Alternative names used in modern scholarship include: Óttar of the Isles and Óttar Óttarsson.
Life
Óttar was a powerful man from the Norse-Gaelic territory of the Western Isles of Scotland, known as the Sudreyjar to the Vikings. He seized control of the Kingdom of Dublin in 1142, according to Clare Downham after having been invited by the townspeople to become their king. He is described as the grandson of Óttar in the Annals of the Four Masters and as the son of Óttar (McOtyr) in the Annals of Clonmacnoise. It is possible that both records are correct and that Óttar of Dublin was the son of a man named Óttar whose own father was also Óttar. Either his father or grandfather was the Jarl Óttar, killed in 1098, who is recorded as controlling half of the Isle of Man. One source unambiguously names...