The Little Norse Prince(1968)

Taiyou no Ouji: Horus no Daibouken

Horus is a boy that one day, hunted by silver wolfs, found the sword of the sun. The day his father died he left his home to find the people from the town his father told him. Together with a small bear named Koro he start the journey an run into a great adventure fighting against Grunwald and his subordinates who wants to rule the world.

(Source: AniDB)