House of Braganza the prestige of the House of Braganza, although not leaving a significant mark on the House's history. The Duke notably ceded the Dukedom of Guimarães to Infante Duarte of Portugal as the dowry of his sister, Isabel of Braganza. Teodósio I's first son, Jaime of Braganza, died before he could inherit his father's titles, fighting alongside King Sebastião I at the Battle of Alcácer Quibir. The Duke's only daughter, Isabel of Braganza, married Miguel Luis de Meneses, 1st Duke of Caminha, though their union had no issue. Teodósio I's last child and successor, João I, lived a very different life
Duarte Nuno, Duke of Braganza Nuno married Princess Maria Francisca of Orléans-Braganza, daughter of Pedro de Alcântara, Prince of Grão-Pará. Their marriage reconciled two branches of the House of Braganza, in two different ways, reuniting the Portuguese and Brazilian Brigantine houses and specifically reuniting the Miguelist and Liberal Braganzas, which had been estranged since 1828, when the War of Two Brothers was waged between King-Emperor Pedro IV & I, founder of the Liberal Braganzas, and King Miguel I, founder of the Miguelist Braganzas. The couple had three sons, the eldest of whom is Duarte Pio, Duke of Braganza, the current pretender to the defunct Portuguese