Sagas
Eric the Victorious appears in a number of Norse sagas, historical stories which nonetheless had a heathy dose of fiction. In various stories, he is described as the son of Björn Eriksson, and as having ruled together with his brother Olof. It was claimed that he married the infamous (and likely fictional) Sigrid the Haughty, daughter of the legendary Viking Skagul Toste, and later divorced her and gave her Götaland as a fief. According to Eymund's saga he took a new queen, Auð, the daughter of Haakon Sigurdsson, the ruler of Norway.
Before this happened, his brother Olof died, and a new co-ruler had to be appointed, but the Swedes are said to have refused to accept his rowdy nephew Styrbjörn the Strong as his co-ruler. Styrbjörn was given 60 longships by Eric and sailed away to live as a Viking. He would become the ruler of Jomsborg and an ally and brother-in-law of the Danish king Harold Bluetooth. Styrbjörn returned to Sweden with an army, although Harald and the Danish troops supposedly turned back. Eric won the Battle of Fýrisvellir, according to Styrbjarnar þáttr Svíakappa after sacrificing to Odin and promising that if victorious, he would give himself to Odin in ten years.
Adam of Bremen relates that Eric was baptised in Denmark but that he forgot about the Christian faith after he returned to Sweden.
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