House of Braganza-Saxe-Coburg and Gotha prevalent mainly in the writings of non-Portuguese historians and genealogists, as European custom classifies a descendant branch on the basis of patrilineal descent, which means that the House of Braganza-Saxe-Coburg and Gotha is a cadet branch of the House of Saxe-Coburg and Gotha-Koháry. Nonetheless, the 1838 Portuguese constitution stated that the House of Braganza was the ruling house of Portugal, by way of Queen Maria II, and her descendants still continued to style themselves as members of the House of Braganza, as opposed to Saxe-Coburg-Braganza. With the death of King Manuel II without legitimate issue in 1932, the dynasty 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