Einarr Rognvaldarson, also known as Turf-Einarr, was a significant historical figure who ruled in Orkney. After his death, his lineage continued through his descendants. According to the search results, particularly from Wikipedia and Geneanet, Rognvald's brother Sigurd Eysteinsson became the Jarl of Orkney. After Sigurd's death during a campaign, his son Guthorm succeeded him, but he too died shortly afterward. This information indicates that the lineage of Einarr Rognvaldarson continued through the male line of his family, with his brother and nephew playing significant roles in the Jarldom of Orkney after his death. For more detailed genealogical information, one can refer to sources like Wikipedia and Geneanet.
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Why is the space of continuous functions on X considered a complete metric space?
What is the difference between sequential continuity and continuity in topological spaces?
What is the definition of a continuous function in calculus?