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 Braganza atop the Portuguese Crown Sceptre, the Sceptre of the Dragon and the Sceptre of the Emperor of Brazil. The wyvern is also sometimes used as a supporter in the coat of arms of both the Brazilian and Portuguese branches of the family. Because of its use in heraldry by the Braganza as the ruling house, and given Pedro IV's link with Porto, a dragon was added to the old coat of arms of the municipality of Porto and is still a part of FC Porto's coat of arms, who are nicknamed "The Dragons". Since the 17th century, the House of