Question: Who was the half-brother of Sweyn Haakonsson that participated in the conquest of English by King Canute the Great?
Sentence (from "Sweyn Haakonsson"): Sweyn Haakonsson (Old Norse: "Sveinn Hákonarson", Norwegian: "Svein Håkonsson" ) (died c. 1016) was an earl of the house of Hlaðir and co-ruler of Norway from 1000 to c. 1015.
Relevant evidence: Yes