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
Isabel, Duchess of Braganza Isabel, Duchess of Braganza "Dona" Isabel, Duchess of Braganza ("née" Isabel Inês Castro Curvello de Herédia; born 22 November 1966), is a Portuguese businesswoman who married Duarte Pio, Duke of Braganza, the current pretender to the defunct Portuguese throne. Born to descendants of Portuguese nobility, Castro Curvello de Heredia worked as an assets manager prior to her marriage. Since marrying Duarte Pio, Isabel has left the professional world, devoted her attention to her family, and become patron to several Portuguese charities and non-profit foundations. She and her husband have had three children together, thus securing the continuation of the House