'Guttorm Haraldsson' was the first son of king
Harald Fairhair of
Norway and Åsa, daughter of
Håkon Grjotgardsson. C.
890 Harald made Guttorm king of
Ranrike, which he had wrested from the
Swedish king
Erik Eymundsson, and gave him the responsibility of defending Norway from Sweden. He fell in a sea battle against the
sea-king Solve Klove.