House of Braganza him the nickname the "Grandfather of Europe" ("see Descendants of Miguel I of Portugal"). On 7 September 1822, Dom Pedro of Braganza, Prince Royal of Portugal, Brazil and the Algarves, member of the House of Braganza, heir apparent to the Portuguese throne and Regent of the Kingdom of Brazil, declared the country's independence from the United Kingdom of Portugal, Brazil and the Algarves and was acclaimed Emperor of Brazil. On 12 October, the prince was acclaimed Pedro I, first Emperor of the newly created Empire of Brazil, a constitutional monarchy. In 1825, signing the treaty of Rio de Janeiro of
House of Braganza at the age of ten and later became an accomplished general. João I's second son, Duarte of Braganza, was made 1st Marquis of Frechilla, and the Duke's third son, Alexandre of Braganza, became Archbishop of Évora, both receiving their titles and many concessions from King Philip I when the monarch was making amends with the House of Braganza. Unlike his other sons, João I's last son, Filipe of Braganza, died without marriage, children, or titles. The seventh Duke, Teodósio II, became famous at a young age, having been made page to King Sebastião I and having marched into the Battle