His reign, like those of his predecessors, was dominated by the actions of Viking rulers in the British Isles, particularly the Uí Ímair ("the grandsons of Ímar", or Ivar the Boneless).
O seu reinado, coma o dos seus predecesores, estivo dominado polas accións dos gobernantes viquingos das illas Británicas, particularmente Uí Ímair ("os netos de Ímar", ou Ivar o Desosado).