Afonso I, Duke of Braganza time, to his first cousin once removed, Constance of Noronha, daughter of Alfonso Enríquez, Count of Gijón and Noreña (a natural son of Henry II of Castile), and of Isabel of Portugal (a natural daughter of Fernando I of Portugal). They had no issue. Afonso I, Duke of Braganza Dom Afonso I of Braganza (; 10 August 1377 – 15 December 1461) was the first Duke of Braganza and the eighth Count of Barcelos. He would start a dynasty, the House of Braganza, that would end up being the most powerful and wealthy in all of Portugal. His descendants would
House of Braganza at the age of ten and later became an accomplished general. João I's second son, Duarte of Braganza, was made 1st Marquis of Frechilla, and the Duke's third son, Alexandre of Braganza, became Archbishop of Évora, both receiving their titles and many concessions from King Philip I when the monarch was making amends with the House of Braganza. Unlike his other sons, João I's last son, Filipe of Braganza, died without marriage, children, or titles. The seventh Duke, Teodósio II, became famous at a young age, having been made page to King Sebastião I and having marched into the Battle