Thorfinn was only a child, whereas his three brothers were grown men, so the Earldom was divided between the three older brothers....
The " Orkneyinga Saga " describes Einar as " ruthless and grasping, a hard and successful fighting man " and that he " made no compromises and stood no arguments.
Einar Sigurdsson (died 1020), also called Einar Wry-Mouth, was a son of Sigurd Hlodvirsson. He was jointly Earl of Orkney from 1014. His life is recorded in the Orkneyinga Saga.