Who was the half-brother of Sweyn Haakonsson that participated in the conquest of English by King Canute the Great?
Eiríkr Hákonarson Eric Haakonsson (960s – 1020s) was Earl of Lade, Governor of Norway and Earl of Northumbria. He was the son of Earl Hákon Sigurðarson and brother of the legendary Aud Haakonsdottir of Lade. He participated in the Battle of Hjörungavágr, the Battle of Svolder and the conquest of England by King Canute the Great.
Edmund I Edmund I (Old English: "Ēadmund" , pronounced ; 921 – 26 May 946), called "the Elder", "the Deed-doer", "the Just", or "the Magnificent", was King of the English from 939 until his death. He was a son of Edward the Elder and half-brother of Æthelstan. Æthelstan died on 27 October 939, and Edmund succeeded him as king.