Afonso V, known by the sobriquet the African, was king of Portugal from 1438 until his death in 1481, with a brief interruption in 1477. His sobriquet refers to his military conquests in Northern Africa.

Edward, also called Edward the Philosopher King or the Eloquent, 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.