 Óttar of Dublin belonged to what has been referred to as the Ottar dynasty, a family of powerful jarls and sometimes kings of the Irish Sea region and surrounding waters, characterised by the repeated use of the personal name Óttar.There is a record of a possible member of the dynasty, one Óttar Svarti ("Ottar the Black" - in Irish it would have been rendered 'Oitir Dubh'), an Icelander (connections between Iceland and the Norse settlements in Scotland and Ireland were relatively close), addressing Cnut, King of England and Denmark, in a praise-poem