Björn Eriksson (traditionally ruled 882–932) was a legendary king of Sweden. Mentions. According to the Hervarar saga and Harald Fairhair's saga was the father of Olof Björnsson and Eric the Victorious, also a grandfather of Styrbjörn the Strong. According to the two sagas, he was the son of an Erik who fought Harald Fairhair and who succeeded the brothers Björn at Haugi and Anund Uppsale: King Önund had a son called Eric, and he succeeded to the throne at Upsala after his father. He was a rich King. In his days Harold the Fair-haired made himself King of Norway.
https://en.wikipedia.org/wiki/Bj%C3%B6rn_Eriksson