House of Braganza Constitutional branch died out with the death of King Manuel II in 1932, passing its claim to the Portuguese throne to the Miguelist Branch, by way of Duarte Nuno, Duke of Braganza. The claim to the Portuguese Crown, and thus to the leadership of the House of Braganza, passed to Duarte Nuno's son, Duarte Pio, Duke of Braganza, who is currently the most recognized pretender to the Portuguese throne. The House of Braganza originated with Afonso I, an illegitimate son of King John I of Portugal, founder of the House of Aviz, and Inês Pires. Though Afonso was illegitimate, his
House of Braganza of 1826 stated that ""The Reigning Dynasty of the Most Serene House of Braganza Shall Continue in the Person of Lady Princess Maria da Glória, by the Abdication and Cession of Her August Father Lord Pedro I, Emperor of Brazil, Legitimate Heir and Successor of Lord João VI."". After the revolution of 1910, King Manuel II settled in England until his death in 1932. He was childless, and descendants of Miguel of Braganza (the usurper of 1826) claimed the throne. In 1920–22, the two (of the now four) branches of the House of Braganza negotiated an alleged pact under which