House of Braganza and repudiated the liberal constitution granted by D. João VI, trying to establish an absolute monarchy. In 1828, Maria II was forced into exile by her uncle, the new King Miguel I. Her father D. Pedro IV of Portugal returned from Brazil, launched a successful military campaign, from the Azores, against Miguel I. He finally defeated and exiled Miguel I in 1834. Though exiled, Miguel would not give up his claim to the throne and would establish the Miguelist branch of the House of Braganza. The strategic marriages of his children to the various royal houses of Europe would earn
Prince Luiz of Orléans-Braganza honours: Prince Luiz of Orléans-Braganza Prince Luiz of Orleans-Braganza (born 6 June 1938) is the head of the Vassouras branch of the House of Orléans-Braganza and a claimant to the defunct Brazilian throne. The Vassouras branch claims the throne in opposition to the Petrópolis branch of the Orléans-Braganzas, headed by Prince Pedro Carlos of Orléans-Braganza. Though both Prince Luiz and Prince Pedro Carlos are great-great-grandchildren of Emperor Pedro II of Brazil, of the House of Braganza, they dispute leadership over the Brazilian Imperial Family due to a dynastic dispute concerning their fathers, who were cousins. Prince Luiz actively claims the