House of Braganza before his father and therefore did not succeed him. Afonso I's first daughter, Isabel of Braganza, married Infante João, Lord of Reguengos de Monsaraz, thus relinking the House of Braganza to the Royal House of Portugal. Isabel's strategic marriage proved successful, and produced four children, whose descendants would be some of the most important in Iberian history. Afonso I's last child and successor, Fernando I, Duke of Braganza, continued his legacy of prominence in the military and society. When Fernando I was born, in 1403, his grandfather, Nuno Álvares Pereira, ceded him the title of Count of Arraiolos. Fernando became
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