House of Braganza before his father and therefore did not succeed him. Afonso I's first daughter, Isabel of Braganza, married Infante João, Lord of Reguengos de Monsaraz, thus relinking the House of Braganza to the Royal House of Portugal. Isabel's strategic marriage proved successful, and produced four children, whose descendants would be some of the most important in Iberian history. Afonso I's last child and successor, Fernando I, Duke of Braganza, continued his legacy of prominence in the military and society. When Fernando I was born, in 1403, his grandfather, Nuno Álvares Pereira, ceded him the title of Count of Arraiolos. Fernando became
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