House of Braganza rebellion. The eighth Duke of Braganza, D. João II of Braganza, had inherited the claim of his grandmother, Infanta Catarina of Portugal, and the remoter claim through of his grandfather João I of Braganza. Because of his claims, the discontent Portuguese nobility asked João II to lead their restoration as their king. According to court historians, D. João II was a modest man without particular ambitions to the crown. Legend says that his wife, Dona Luisa de Guzmán, daughter of the duke of Medina-Sidonia, urged him to accept the offer, saying "I'd rather be queen for one day than duchess
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