Afonso I, Duke of Braganza time, to his first cousin once removed, Constance of Noronha, daughter of Alfonso Enríquez, Count of Gijón and Noreña (a natural son of Henry II of Castile), and of Isabel of Portugal (a natural daughter of Fernando I of Portugal). They had no issue. Afonso I, Duke of Braganza Dom Afonso I of Braganza (; 10 August 1377 – 15 December 1461) was the first Duke of Braganza and the eighth Count of Barcelos. He would start a dynasty, the House of Braganza, that would end up being the most powerful and wealthy in all of Portugal. His descendants would
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