House of Braganza Portugal, the Braganzas were split into three main branches of the family: the Brazilian branch, headed by King John VI's eldest son, Emperor Pedro I of Brazil, the Constitutional branch, headed by Emperor Pedro I's eldest daughter, Queen Maria II of Portugal, and the Miguelist branch, headed by King John VI's second eldest son, King Miguel I of Portugal. The Brazilian branch, following 1921, became the House of Orléans-Braganza, whose leadership is disputed by two branches of its own: the Vassouras branch, headed by Prince Luiz of Orléans-Braganza, and the Petrópolis branch, headed by Prince Pedro Carlos of Orléans-Braganza. The
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