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
House of Orléans-Braganza title he had and his dynastic rights as heir of his mother passed to his brother, Prince Luís of Orléans-Braganza, who became Prince Imperial of Brazil. However, years later, after Pedro's death in 1940, his eldest son did not accept his father's resignation and again claimed the Brazilian throne in conflict with Prince Pedro Henrique of Orléans-Braganza, son and heir of Prince Luís, dead in 1920. Thus began a dispute for the crown of Brazil. The descendants of Prince Pedro became known as the "Petrópolis Branch", and the descendants of Prince Luís as "Vassouras Branch". After the resignation of Pedro