House of Braganza for a lifetime." He accepted the leadership of the rebellion, which was successful, and was acclaimed João IV of Portugal on 1 December 1640. After the accession of the Braganzas to the throne, the duchy was linked to the Crown. "Duke of Braganza" became the traditional title of the heir to the throne, together with Prince of Brazil and, later, Prince Royal of Portugal, much as Prince of Wales is in the United Kingdom or Prince of Asturias in Spain. Under D. João's sons D. Afonso VI and D. Pedro II, the Portuguese colonial empire, part of which was lost
Prince Francis Joseph of Braganza Prince Francis Joseph of Braganza Prince Francis Joseph of Braganza (; 7 September 1879 – 15 June 1919) was a member of the exiled branch of House of Braganza and an officer in the Austro-Hungarian Army. During his life he was involved in a number incidents ranging from sex scandals to swindles. His full given names were "Francis Joseph Gerard Maria George Humbert Anthony Henry Michael Rafael Gabriel" (). Francis Joseph was born in Meran, Austria (now in Italy), the second son of the Miguelist pretender to the Portuguese throne Miguel, Duke of Braganza and his first wife Princess Elisabeth