
Eysteinn (Swedish: Östen, died c. 600) was a semi-legendary king of Sweden, the son of Eadgils. He was the father of Ingvar. Östens hög ('Östen’s tumulus') in Västerås near Östanbro has been linked to King Eysteinn by some popular historians.
The oldest source for king Eysteinn is Þjóðólfr of Hvinir's 9th century geneological poem Ynglingatal. This poem is preserved in direct citation in Snorri Sturluson’s 13th century Ynglinga saga and in Latin paraphrase in the anonymous 12th century Historia Norwegiæ. It provides a source for Snorri's statement that the killers of Eysteinn were Jutes:
Veitk Eysteins
enda folginn
lokins lífs
á Lófundi.
Ok sikling
með Svíum kvôðu
józka menn
inni brenna.
Ok bitsótt
í brandnói
hlíðar þangs
á hilmi rann,
þás timbrfastr
toptar nǫkkvi
flotna fullr
of fylki brann.
The 12th century Historia Norwegiæ presents a Latin summary of Ynglingatal, older than Snorri's quotation (continuing after Eadgils, called Adils or Athisl):
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Hic [Adils vel Athisl] genuit Eustein, quem Gautones in domo quadam obtrusum cum suis vivum incenderunt. Hujus filius Ynguar [...]. |
He [Adils] became sire to Øystein, whom the Götar thrust into a house and incinerated alive there with his men. His son Yngvar, [...] |
According to the most elaborate but also youngest source, the 13th century Ynglinga saga, Eysteinn ruled Sweden at the time when Hrólf Kraki died in Lejre. It was a troubled time when many piratical sea kings ravaged Swedish shores. One of those kings was named Sölve and he was from Jutland (though according to Historia Norwegiae he was Geatish, see below). At this time Sölve was pillaging in the Baltic Sea. He arrived in Lofond (probably the island of Lovön or the Lagunda Hundred), where Eysteinn was at a feast. Sölve and his men surrounded the house and set it on fire, burning everyone inside to death. Then Sölve arrived at Sigtuna (Old Sigtuna) and ordered the Swedes to accept him as king. The Swedes refused and gathered an army that fought against Sölve and his men, but they lost after eleven days. The Swedes had to accept him as king until they rebelled and killed him.
Thorsteins saga Víkingssonar makes Eysteinn the father of Anund and grandfather of Ingjald and consequently skips Ingvar's generation. It adds a second son to Eysteinn named Olaf, who was the king of Fjordane in Norway.