Sagas
The saga accounts are the best known, and the latest, of the three surviving traditions concerning Rognvald and the foundation of the Earldom of Orkney. Recorded in the 13th century, their views are informed by Norwegian politics of the day. Once, historians could write that no-one denied the reality of Harald Fairhair's expeditions to the west recounted in Heimskringla, but this is no longer the case. The Norwegian contest with the Kings of Scots over the Hebrides and the Isle of Man in the middle 13th century underlies the sagas.
In the Heimskringla, Rognvald is Earl of Møre. He accompanies Harald Fairhair on his great expeditions to the west, to Ireland and to Scotland. Here, Rognvald's son Ivarr is killed. In compensation King Harald grants Rognvald Orkney and Shetland. Rognvald himself returns to Norway, giving the northern isles to his brother Sigurd Eysteinsson.
The Heimskringla recounts other tales of Rognvald. It tells how he causes Harald Finehair to be given his byname Fairhair by cutting and dressing his hair, which had been uncut for ten years on account of Harald's vow never to cut it until he was ruler of all Norway, and it makes him the father of Ganger-Hrólf, identified by saga writers with the Rollo (Hrólfr), ancestor of the Dukes of Normandy, who was said to have been established as Count of Rouen by King Charles the Simple in 931.
Earl Rognvald is killed by Harald's son Halfdan Hålegg. Rognvald's death is avenged by his son, Earl Turf-Einar, from whom later Orkney earls claimed descent, who kills Halfdan on North Ronaldsay.
Read more about this topic: Rognvald Eysteinsson