Björn was the father of Olof (II) Björnsson and Eric the Victorious, according to Hervarar saga. He was the grand-father of Styrbjörn Starke. According to Hervarar Saga he was the son of an Erik who fought Harald Fairhair who succeeded the brothers Björn at Hauge and Anund Uppsale. Erik Anundsson is the only Erik who fits. Eric the Victorious (VI), or Erik Segersäll, (985?- 995), was king of the Swedes during the last two decades of the 10th century. ... Hervarar saga ok Heidhreks is a fornaldarsaga from the 13th century using material from an older saga. ... Styrbjörn Starke or Styrbjorn the Strong was the semi-legendary son of Olof (II) Björnsson, and the nephew of Eric the Victorious. ... Hervarar saga ok Heidhreks is a fornaldarsaga from the 13th century using material from an older saga. ... Harald I (b. ... Björn at Haugi (Old Norse), Björn på Håga, Björn II or Bern was according to Hervarar saga a Swedish king and the son of Erik Björnsson who ruled together with his brother Anund Uppsale. ... Anund Uppsale or Anoundus ruled Sweden together with his brother Björn at Hauge, according to Rimbert and Hervarar saga (he and Björn are also mentioned by Adam of Bremen). ... Erik Anundsson (d. ...
When Björn died Olof and Eric were elected to be co-rulers of Sweden. Eric would however disinherit his nephew Styrbjörn.
Adam of Bremen, however, only gives Emund Eriksson as the predecessor of Eric the Victorious. Since the Swedes seem to have had a system of co-rulership (Diarchy), it is probable that Emund Eriksson was a co-ruler of Björn's. Adam of Bremen (also: Adam Bremensis) was one of the most important German medieval chroniclers. ... Emund Eriksson (?- ca. ... Eric the Victorious (VI), or Erik Segersäll, (985?- 995), was king of the Swedes during the last two decades of the 10th century. ... Diarchy (or dyarchy) is a society or organization with two rulers on equal standing. ...