Rognvald Eysteinsson
Rognvald Eysteinsson (fl. 865) was the founding Jarl (or Earl) of Møre in Norway, and a close relative and ally of Harald Fairhair, the earliest known King of Norway. In the Norse language he is known as Rǫgnvaldr Eysteinsson (Mǿrajarl) and in modern Norwegian as Ragnvald Mørejarl. He is sometimes referred to with bynames that may be translated into modern English as "Rognvald the Wise" or "Rognvald the Powerful". The earliest available sources regarding Rognvald are mutually contradictory and were compiled long after he died. The best known are the Norse Sagas, although modern scholars highlight many inconsistencies and improbable claims regarding Rognvald in the sagas, and believe that they must be treated with caution: The texts of the sagas were compiled three centuries after the events described and their accuracy in regard to Rognvald's life and historical significance is now questioned. Hence some scholars instead emphasise other accounts, closer to the historical period in question, such as Irish and Scottish sources. While Rognvald does appear to have had some kind of role in the founding of the Norse Earldom of Orkney, most historians now doubt claims in the Sagas that Rognvald led one particular "great voyage" – a Norwegian