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
Prince Luiz Gastão of Orléans-Braganza in Dreux. After his death, his sister Princess Pia Maria became the titular heir of her brother Pedro Henrique, until the birth of Pedro Henrique's son, also called Prince Luiz, in 1938. Prince Luiz Gastão of Orléans-Braganza Prince Luiz Gastão of Orléans-Braganza (; 19 February 19118 September 1931) was a member of the House of Orléans-Braganza, and was descended from the Brazilian Imperial Family. Prince Luiz Gastão was born at Cannes, France, the second son of Prince Luiz of Orléans-Braganza (1878–1920), and his wife, Princess Maria di Grazia of Bourbon-Two Sicilies (1978–1963). His father was the second son of Prince