What title was held by the man who was thought to have died at the Battle of Stamford Bridge, who also spent 15 years in exile?
Harald Hardrada Harald Sigurdsson (Old Norse: "Haraldr Sigurðarson" ;  1015 – 25 September 1066), given the epithet Hardråde ("harðráði ", roughly translated as "stern counsel" or "hard ruler") in the sagas, was King of Norway (as Harald III) from 1046 to 1066. In addition, he unsuccessfully claimed the Danish throne until 1064 and the English throne in 1066. Prior to becoming king, Harald had spent around fifteen years in exile as a mercenary and military commander in Kievan Rus' and of the Varangian Guard in the Byzantine Empire.
Edmund, Earl of Rutland Edmund, Earl of Rutland (17 May 1443 – 30 December 1460) was the fifth child and second surviving son of Richard Plantagenet, 3rd Duke of York, and Cecily Neville. He was born in Rouen. At the time Rouen was the capital of English occupied France and his father held the office of Lieutenant of France. He was killed at the age of 17 either during or shortly after the Battle of Wakefield, during the Wars of the Roses.