Magnus I of Norway (1024 - 1047). King of Denmark from 1042 until his death in 1047. King of Norway from 1035 until 1047. He was the illegitimate son of King Olaf II of Norway, who was deposed by Cnut the Great. Magnus regained Norway after Cnut death and tookover Denmark after the death of Harthacnut. He was the only Danish King from the house of Fairhair.
The Norwegian king Harald has together with a servant been thrown into a dungeon where they as a punishment would be killed by a dragon. But Olaus Magnus tells how the king cut the dragon in the navel with a razor knife and how the servant beats the dragon with a skull and a thighbone until it bleeds to death.