Who was the half-brother of Sweyn Haakonsson that participated in the conquest of English by King Canute the Great?
Sweyn Haakonsson:  After the battle of Svolder in the year 1000, Sveinn became co-ruler of Norway with his half-brother, Eiríkr Hákonarson. Eiríkr Hákonarson:  He participated in the Battle of Hjörungavágr, the Battle of Svolder and the conquest of England by King Canute the Great.
i don't know