Question: Eystein Haraldsson, was king of Norway from 1142 to 1157, "Øystein Haraldsson", is his name in which North Germanic language spoken mainly in Norway, where it is the official language?
Sentence (from "Sigurd II of Norway"): He was killed in the power-struggle against his brother, Inge, in an early stage of the civil war era in Norway.
Relevant evidence: No