House of Braganza ducal period, from origins of its founder, Afonso I, Duke of Braganza, to the issue of its last noble duke, Teodósio II, Duke of Braganza: Genealogical tree of the House of Braganza, from its first monarch, João IV, King of Portugal, to the fracture of the house into its three main branches, in the issue of João VI, King of United Kingdom of Portugal, Brazil, and the Algarves: Genealogical tree of the Brazilian branch House of Braganza, from its first monarch, Pedro I, Emperor of Brazil, to the issue of Pedro II, the last Emperor of Brazil. Genealogical tree of
House of Orléans-Braganza to the marriage. Isabel and Leopoldina were not informed until Gaston and August were mid-Atlantic. Arriving in early September, Gaston described the princesses as "ugly", but thought Isabel less so than her sister. For her part, Isabel in her own words "began to feel a great and tender love" for Gaston.[65] The two couples: Gaston and Isabel; August and Leopoldina; were engaged on 18 September. On 15 October 1864 at Rio de Janeiro, Prince Gaston married Isabel, Princess Imperial of Brazil and heiress of the Empire. It was from that marriage the royal house of Orléans-Braganza was formed. The couple