Viking painting Viking berserks are described as terrible in the Icelandic old Sagas. They are supposed to have trembled, clapping their teeth and howling. When attacking they would bite their shields, feeling no fear or pain, the only thing in their mind was to destroy the enemy
Björn Ironside was the son of the Danish/Scandinavian king Ragnar Lodbrok and he had the brothers Hvitserk, Ivar the Boneless and Sigurd Snake-in-the-Eye, and the half-brothers Eric and Agnar. Björn and his brothers conquered all of Sweden. When Ragnar died Björn Ironside inherited Sweden. He had two sons, Refil and Erik Björnsson, who became the next king of Sweden. Photo from the series "Vikings".