Beowulf Hrothgar, king of the Danes, whose great hall, Heorot, is plagued by the monster Grendel. Beowulf kills Grendel with his bare hands and Grendel's mother with a giant's sword that he found in her lair. Later in his life, Beowulf becomes king of the Geats, and finds his realm terrorized by a dragon, some of whose treasure had been stolen from his hoard in a burial mound. He attacks the dragon with the help of his "thegns" or servants, but they do not succeed. Beowulf decides to follow the dragon to its lair at Earnanæs, but only his young Swedish
Harald the Old Harald the Old Harald Valdarsson, also known as Harald the Old (, born circa 568) appears only by name in "Hversu Noregr byggðist", but his father, sons and their descendants played a central role in the politics of Scandinavian legends. "Hversu Noregr byggðist" tells that he was the son of Valdar, who was the son of Hróarr (i.e. king Hroðgar of "Beowulf"), and Harald was the father of Halfdan the Valiant and the grandfather of Ivar Vidfamne. "Skjöldunga saga" tells that the same Valdar (i.e. Harald's father) disputed that Rörek, the cousin of Hróarr (Hroðgar) should succeed Hrólfr Kraki (Hroðulf)