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 Orléans-Braganza title he had and his dynastic rights as heir of his mother passed to his brother, Prince Luís of Orléans-Braganza, who became Prince Imperial of Brazil. However, years later, after Pedro's death in 1940, his eldest son did not accept his father's resignation and again claimed the Brazilian throne in conflict with Prince Pedro Henrique of Orléans-Braganza, son and heir of Prince Luís, dead in 1920. Thus began a dispute for the crown of Brazil. The descendants of Prince Pedro became known as the "Petrópolis Branch", and the descendants of Prince Luís as "Vassouras Branch". After the resignation of Pedro