Björn Ironside son of Ragnar and Lagertha

Björn Ironside, according to Norse legends, was a Norse Viking chief and Swedish king. According to the 12th- and 13th-century Scandinavian histories, he was the son of notorious Viking king Ragnar Lodbrok and lived in the 9th century, between 855 and 858.
The barrow of Björn Ironside (Swedish: Björn Järnsidas hög) on the island of Munsö, Ekerö, in lake Mälaren, Sweden.