The Grettir's Saga on Harald

The Saga Of Grettir The Strong > Chapter Lxxxviii. Adventures Of Thorsteinn And Spes

• attestation: Harald son of Sigurd (later King Harald Hardrada) was in Constantinople, and Thorsteinn became friendly with him

  "At that time Harald the son of Sigurd [3] was in Constantinople, and Thorsteinn became friendly with him."

The Saga Of Grettir The Strong > Chapter Lxxxviii. Adventures Of Thorsteinn And Spes > Endnotes:

• attestation: A footnote identifies Harald as the future King of Norway who lost at the Battle of Stamford Bridge in 1066

  "[Footnote 3: The same Harald who, as King of Norway, would later challenge King Harald I for the throne of England. He lost at the Battle of Stamford Bridge--three weeks before Hastings (A.D. 1066).]"

The Saga Of Grettir The Strong > Chapter Xc. Thorsteinn And Spes Return To Norway

• attestation: Harald son of Sigurd claimed kinship with Thorsteinn and did him special honor

  "Especially Harald the son of Sigurd did him honour, and claimed kinship with"