Who was the half-brother of Sweyn Haakonsson that participated in the conquest of English by King Canute the Great?
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. He was the son of earl Hákon Sigurðarson. He is first mentioned in connection with the battle of Hjörungavágr, where the "Heimskringla" says he commanded 60 ships. After the battle of Svolder in the year 1000, Sveinn became co-ruler of Norway with his half-brother, Eiríkr Hákonarson. After Eiríkr went to England in 1014, Sveinn was co-ruler with Hákon Eiríksson. In 1015, Óláfr Haraldsson arrived in Norway and claimed the throne. He defeated Sveinn and his allies in the battle of Nesjar. Sveinn retreated to Sweden, intending to muster a force to retake Norway but he died of an illness before he could return.
Eleanor Holland, Countess of Salisbury Eleanor Holland, Countess of Salisbury (1386- after 1413), was an English noblewoman, the daughter of Thomas Holland, 2nd Earl of Kent, a half-brother of King Richard II of England. She was the first wife of Thomas Montacute, 4th Earl of Salisbury. One of her brothers was Edmund Holland, 4th Earl of Kent, to whom she was co-heiress. She is not to be confused with her eldest sister Alianore Holland, Countess of March who bore the same name.