Illustrious Generation
The Ínclita Geração (often translated in English as "Illustrious Generation") is a term commonly used by Portuguese historians to refer to a group of 15th-century infantes (princes) of the House of Aviz, specifically the sons of King John I of Portugal and his wife Philippa of Lancaster (daughter of John of Gaunt): the future king Edward of Portugal; the future regent Peter of Coimbra; Prince Henry the Navigator; the constable John of Reguengos; and the martyr Ferdinand the Holy Prince. == Members == The members of the illustrious generation are normally considered to be the five legitimate sons of John I and Philippa of Lancaster: Infante D. Duarte (1391–1438), later king Edward of Portugal (r.