The Hervarar saga tells that Eysteinn Beli was the son of Harald Wartooth. Hervarar saga made Harald Wartooth the king of Sweden and Sigurd Ring the king of Denmark, while other sources have it the other way round. It tells that Eysteinn inherited Sweden from his father Harald Wartooth and ruled it until he was killed by the sons of Ragnar Lodbrok, as told in Ragnar Lodbrok's saga. When Ragnar died, Björn Ironside became the king of Sweden.
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