Styrbjorn OLAFSSON, Prince of Sweden 
Styrbjorn was born about 0908 in Sweden. Styrbjorn's father was Olaf II 'Mitkg' BJORNSSON, King of Sweden and his mother was Ingelberg THRANDSDATTER. His paternal grandfather was Bjorn III Den Gamble 'The Old' ERIKSSON; his maternal grandfather was Thraud (Thrand) Military Governor. He was an only child. He died in 0986 in Killed in Battle.
They had a son named Thorkils (Thurgils).