Duke of Braganza day than duchess for a lifetime". He accepted the leadership of the rebellion against Spain, which was successful, and was acclaimed King John IV of Portugal on 1 December 1640. After the accession of the House of Braganza to the Portuguese throne in 1640 as a replacement for the Philippine Dynasty of Spanish Habsburgs, the Dukedom of Braganza became linked to the crown. "Duke of Braganza" became the traditional title of the heir to the Portuguese throne, together with or alternate to "Prince of Beira", much as "Prince of Wales" is in the United Kingdom. After the 8th Duke had
Prince Luiz Gastão of Orléans-Braganza 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 Gaston, Count of Eu, and Isabel, Princess Imperial of Brazil. His mother was the daughter of Prince Alfonso, Count of Caserta, and Princess Antonietta of Bourbon-Two Sicilies. Prince Luis Gastão's paternal grandmother,