Björn Eriksson

Björn according to the Hervarar saga and Harald Fairhair's saga was the father of Olof (II) 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 Hauge 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. He was the first to unite the whole of that country under his sway. Eric at Upsala had a son called Björn, who came to the throne after his father and ruled for a long time. The sons of Björn, Eric the Victorious, and Olaf succeeded to the kingdom after their father. Olaf was the father of Styrbjörn the Strong.(Hervarar saga)