 Having forced his way to the kingship, Harald would have to convince the aristocracy that he was the right person to rule Norway alone.To establish domestic alliances, he married Tora Torbergsdatter of one of the most powerful Norwegian families.The primary opposition to Harald's rule would be the descendants of Haakon Sigurdsson, from the powerful dynasty of Earls of Lade who had controlled Northern Norway and Trøndelag with much autonomy under the Norwegian king.