Edward (Portuguese: Duarte [duˈaɾt(ɨ)]; 31 October 1391 – 9 September 1438), also called Edward the Philosopher King (Duarte o Rei-Filósofo) or the Eloquent (o Eloquente), was the King of Portugal from 1433 until his death. He was born in Viseu, the son of John I of Portugal and his wife, Philippa of Lancaster. Edward was the oldest member of the "Illustrious Generation" of accomplished royal children who contributed to the development of Portuguese civilization during the 15th century. Source: Wikipedia (en)