House of Braganza House of Braganza The Most Serene House of Braganza (), or the Brigantine Dynasty ("Dinastia Brigantina"), is a dynasty of emperors, kings, princes, and dukes of Portuguese origin, a branch of the House of Aviz. The house was founded by Afonso I, 1st Duke of Braganza, illegitimate son of King John I of Portugal, founder of the House of Aviz, and would eventually grow into one of the wealthiest and most powerful noble houses of the Iberian Peninsula of the Renaissance period. The Braganzas came to rule the Kingdom of Portugal and the Algarves after successfully deposing the Philippine Dynasty
Duarte Nuno, Duke of Braganza Nuno married Princess Maria Francisca of Orléans-Braganza, daughter of Pedro de Alcântara, Prince of Grão-Pará. Their marriage reconciled two branches of the House of Braganza, in two different ways, reuniting the Portuguese and Brazilian Brigantine houses and specifically reuniting the Miguelist and Liberal Braganzas, which had been estranged since 1828, when the War of Two Brothers was waged between King-Emperor Pedro IV & I, founder of the Liberal Braganzas, and King Miguel I, founder of the Miguelist Braganzas. The couple had three sons, the eldest of whom is Duarte Pio, Duke of Braganza, the current pretender to the defunct Portuguese