The Eyrbyggja Saga on Thorgrim
Chapter 1 - Herein Is Told How Ketil Flatneb Fares To West-Over-Sea. > Chapter 12 - Of Arnkel The Priest And Others.
attestation: Thorgrim son of Thorstein Codbiter was the foremost of the brothers and became a chief at a young age
"Thorgrim was the foremost of them in all things, and was a chief as soon as he had age thereto"
relationship: Thorgrim married Thordis daughter of Sur and went west to Dyrafirth to live with his brothers-in-law Gisli and Thorkel
"Thorgrim wedded west in Dyrafirth, and had to wife Thordis Sur's daughter, and betook himself west to his brothers- in-law Gisli and Thorkel."
attestation: Thorgrim slew Vestein Vesteinson at the harvest feast in Hawkdale
"Thorgrim slew Vestein Vesteinson at the harvest feast in Hawkdale"