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According to "Egil's Saga", Kari was a berserker, and a comrade-at-arms of Ulf the Fearless (Úlfr inn óargi).. The saga also Kari's three offspring as: Olvir Hnufa, who became a skald in the court of Harald I of Norway, Eyvind Lambi, who became one of Harald's hersirs, and a daughter, Salbjorg, who married Kveldulf Bjalfason. Kveldulf being grandson of the elder Ulf.