Complex sentence: The town is first mentioned in "Orkneyinga saga" in the year 1046 when it is recorded as the residence of Rögnvald Brusason the Earl of Orkney, who was killed by his uncle Thorfinn the Mighty.
Split into simpler sentences: The town is first mentioned in "Orkneyinga saga" in the year 1046. It was established as the settlement of Rögnvald II, Earl of Orkney, who was killed by Thorfinn the Mighty.