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
Princess Pia Maria of Orléans-Braganza Princess Pia Maria of Orléans-Braganza Princess Pia Maria of Orléans-Braganza (; 4 March 191324 October 2000) was a Princess and member of the House of Orléans-Braganza and the Brazilian Imperial Family. With the premature death of her father, Prince Luís of Orléans-Bragzna, in 1920, and the following year, the death of her grandmother, Isabel, Princess Imperial of Brazil, in 1921, Pia Maria's older brother Prince Pedro Henrique of Orléans-Braganza claimed the title Prince Imperial of Brazil in 1920, and the position of head of the Imperial House of Brazil in 1921. At the time of the latter claim, Prince Pedro