(1) Thorstein Codcatcher was the son of Thorolf Mostrarskegg,
the son of Ornolf Fish-driver, but Ari the Wise says he was
the son of Thorgil Reydarside. Thorolf Mostrarskegg had to
wife Oska, the daughter of Thorstein the Red. The mother of
Thorgrim was named Thora, a daughter of Oleif the Shy, the
son of Thorstein the Red, the son of Oleif the White, the
son of Ingialld, the son of Helgi; but the mother of
Ingialld was Thora, a daughter of Sigurd Snake-eye, son of
Ragnar Hairybreeks; but the mother of Snorri the Priest was
Thordisa, the daughter of Sur, and the sister of Gisli.