 This failed to occur as the king was struck by illness and died in his palace in December that same year.The death of Haakon left the crown to his son Magnus the Lawmaker, who considered peace with the Scots more important than holding on to the Norwegian possessions off western Scotland and in the Irish Sea.The Treaty of Perth of 1266 left the Hebrides and the Isle of Man to Scotland for 4,000 marks and an annual payment of 100 marks.