Who were the claimants to the throne? how strong were the claims?

The claimants to the throne were harold godwinson, william, the duke of normandy, edgar aethling and harald hardrada. harold's claim to the throne was that he was married to edward the confessor's sister and the witan, the country's council, were in favour of him. william's claim was that harold promised him the throne in france. edgar's claim to the throne was that he was edgar's closest blood related male relative. harald's claim to the throne was that one of his family members in the past had been king of england.