A Saxon English prince with this first name fled to Hungary after the Danish invasion and was nicknamed "the Exile."
The King of Portugal with this first name was nicknamed "The Philosopher" and was the grandson of John of Gaunt and the older brother of Prince Henry the Navigator. The oldest son of Scottish nobleman John Balliol, who led a rebellion against the son of Robert the Bruce, had this first name. From 1970 to 1980, Communist Poland was ruled by a man with this first name and the last name "Gierek." A Saxon English prince with this first name fled to Hungary after the Danish invasion and was nicknamed "the Exile." An English king with this name defeated a rebellion by Aelfgar of Mercia; that English king was a son of Emma of Normandy and his reign was dominated by Earl Godwin. For ten points, give this first name of a canonized English king nicknamed "the Confessor".
The King of Portugal with this first name was nicknamed "The Philosopher" and was the grandson of John of Gaunt and the older brother of Prince Henry the Navigator.
{Edward} [accept: {Duarte} from the {Portuguese}]