The Laxdæla Saga on Thorstein the Red
Laxdaela > Saga > Chap. Iv
attestation: Thorstein the Red went to war, raided Scotland extensively, and was always victorious
"Thorstein, his daughter's son, who forthwith betook himself to warring, and harried Scotland far and wide, and was always victorious."
attestation: Thorstein made peace with the Scots and gained control of half of Scotland
"he made peace with the Scotch, and got for his own one-half of Scotland."
relationship: Thorstein the Red married Thurid, daughter of Eyvind and sister of Helgi the Lean
"He had for wife Thurid, daughter of Eyvind, and sister of Helgi the Lean."
attestation: The Scots broke the peace and treacherously murdered Thorstein the Red
"The Scotch did not keep the peace long, but treacherously murdered him."