House of Braganza In an attempt at reconciliation with the Brigantine House, King Philip I renewed the title of Constable of Portugal, which João I had held previously, to the Duke's first son, Teodósio II, alongside other title and land grants to the Duke and the House. João I's daughters, Maria, Serefina, Querubina, and Angélica, were some of the most eligible ladies of Portugal and all Iberia, though the only one to marry was Serefina of Braganza, who married Castilian Juan Fernandez Pacheco, 5th Duke of Escalona. The Duke's oldest son and successor, Teodósio II, famously fought in the Battle of Alcácer Quibir
House of Braganza Afonso quickly became the King's preferred advisor. On 30 December 1442, the Duke of Coimbra, still the King's regent and thus acting in his name, created Afonso as the Duke of Braganza, as a gesture of good will and reconciliation between the two brothers. Afonso's elevation to the dukedom, the highest level of nobility, marked the foundation of the House of Braganza, which was to become a key family in Portuguese history. As a result of the hard work and success of Afonso I, his children all secured successful positions and lived privileged lives. Afonso I's first son, Afonso of