Pedro I of Brazil was the founder of the Empire of Brazil and reigned as its emperor from 1822 to 1831. He also ruled over Portugal before abdicating the throne in favor of Dona Maria II. He is credited with spreading the liberal ideals that enabled Portugal and Brazil to move to representative forms of government from absolutist regimes.
![Catherine of Braganza Catherine of Braganza](http://www.thefamouspeople.com/profiles/thumbs/catherine-of-braganza-1.jpg)
Philip IV of Spain was the king of Spain from 1621 to 1665 and the king of Portugal from 1621 to 1640. He was a fine horseman and a keen hunter but was considered a weak ruler with excessive dependence on the ministers. Even though the Spanish empire expanded considerably during his reign, he was not a popular king.
![Afonso de Albuquerque Afonso de Albuquerque](http://www.thefamouspeople.com/profiles/thumbs/afonso-de-albuquerque-1.jpg)
Afonso de Albuquerque was a Portuguese statesman, admiral, and general. A fierce military commander, Albuquerque expanded the influence of the Portuguese across the Indian Ocean while serving as the viceroy of the Portuguese State of India from 1509 to 1515. Afonso de Albuquerque's military brilliance in the initial Portuguese campaigns helped Portugal to become the first intercontinental empire in history.
![Maria II of Portugal Maria II of Portugal](http://www.thefamouspeople.com/profiles/thumbs/maria-ii-of-portugal-1.jpg)
Maria II of Portugal was the Queen of Portugal from 2 May 1826 to 23 June 1828. She reigned as the queen once again from 1834 until her death in 1853 at the age of 34 due to complications during her 11th delivery.
![Isabel, Princess Imperial of Brazil Isabel, Princess Imperial of Brazil](http://www.thefamouspeople.com/profiles/thumbs/isabel-princess-imperial-of-brazil-1.jpg)
![Afonso I of Portugal Afonso I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/afonso-i-of-portugal-2.jpg)
Afonso I of Portugal reigned as the first king of Portugal from 26 July 1139 until his death on 6 December 1185. He played an important role in freeing the County of Portugal, founding a new kingdom, and expanding its area to more than double of its original size.
![John VI of Portugal John VI of Portugal](http://www.thefamouspeople.com/profiles/thumbs/john-vi-of-portugal-1.jpg)
![John I of Portugal John I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/john-i-of-portugal-1.jpg)
![Manuel I of Portugal Manuel I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/manuel-i-of-portugal-1.jpg)
![Mary I of Portugal Mary I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/mary-i-of-portugal-1.jpg)
![Sebastian of Portugal Sebastian of Portugal](http://www.thefamouspeople.com/profiles/thumbs/sebastian-of-portugal-1.jpg)
![Cerdic Cerdic](http://www.thefamouspeople.com/profiles/thumbs/cerdic-1.jpg)
![Carlos I of Portugal Carlos I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/carlos-i-of-portugal-1.jpg)
![Eleanor of Austria Eleanor of Austria](http://www.thefamouspeople.com/profiles/thumbs/eleanor-of-austria-1.jpg)
![Isabella of Aragon, Queen of Portugal Isabella of Aragon, Queen of Portugal](http://www.thefamouspeople.com/profiles/thumbs/isabella-of-aragon-queen-of-portugal-1.jpg)
![John II of Portugal John II of Portugal](http://www.thefamouspeople.com/profiles/thumbs/john-ii-of-portugal-1.jpg)
![John V of Portugal John V of Portugal](http://www.thefamouspeople.com/profiles/thumbs/john-v-of-portugal-1.jpg)
![Peter I of Portugal Peter I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/peter-i-of-portugal-1.jpg)
Peter I of Portugal reigned as the King of Portugal from 28 May 1357 until his death on 18 January 1367. He is best remembered as a just king who perhaps believed in the eye for an eye principle.
![Miguel of Portugal Miguel of Portugal](http://www.thefamouspeople.com/profiles/thumbs/miguel-of-portugal-1.jpg)
![John III of Portugal John III of Portugal](http://www.thefamouspeople.com/profiles/thumbs/john-iii-of-portugal-38190-1.jpg)
![Ferdinand II of Portugal Ferdinand II of Portugal](http://www.thefamouspeople.com/profiles/thumbs/ferdinand-ii-of-portugal-1.jpg)
![Maria of Aragon, Queen of Portugal Maria of Aragon, Queen of Portugal](http://www.thefamouspeople.com/profiles/thumbs/maria-of-aragon-queen-of-portugal-1.jpg)
![Joseph I of Portugal Joseph I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/joseph-i-of-portugal-1.jpg)
![John IV of Portugal John IV of Portugal](http://www.thefamouspeople.com/profiles/thumbs/john-iv-of-portugal-1.jpg)
![Maria Leopoldina of Austria Maria Leopoldina of Austria](http://www.thefamouspeople.com/profiles/thumbs/maria-leopoldina-of-austria-24747-1.jpg)
Born the Archduchess of Austria, Maria Leopoldina was a great painter and also grew up studying subjects such as botany and mineralogy. By virtue of her marriage to Pedro I of Brazil and IV of Portugal, she became the queen of Portugal and the empress of Brazil.
![Henry, King of Portugal Henry, King of Portugal](http://www.thefamouspeople.com/profiles/thumbs/henry-king-of-portugal-1.jpg)
![Afonso V Afonso V](http://www.thefamouspeople.com/profiles/thumbs/afonso-v-68984-1.jpg)
![Pedro V of Portugal Pedro V of Portugal](http://www.thefamouspeople.com/profiles/thumbs/pedro-v-of-portugal-1.jpg)
![Luís I of Portugal Luís I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/lus-i-of-portugal-1.jpg)
![Isabella of Portugal, Queen of Castile Isabella of Portugal, Queen of Castile](http://www.thefamouspeople.com/profiles/thumbs/isabella-of-portugal-queen-of-castile-1.jpg)
![Edward of Portugal Edward of Portugal](http://www.thefamouspeople.com/profiles/thumbs/edward-of-portugal-1.jpg)
![Mariana Victoria of Spain Mariana Victoria of Spain](http://www.thefamouspeople.com/profiles/thumbs/mariana-victoria-of-spain-1.jpg)
![Carlota Joaquina of Spain Carlota Joaquina of Spain](http://www.thefamouspeople.com/profiles/thumbs/carlota-joaquina-of-spain-1.jpg)
![Amélie of Orléans Amélie of Orléans](http://www.thefamouspeople.com/profiles/thumbs/amlie-of-orlans-98356-1.jpg)
![Catherine of Austria, Queen of Portugal Catherine of Austria, Queen of Portugal](http://www.thefamouspeople.com/profiles/thumbs/catherine-of-austria-queen-of-portugal-122238-1.jpg)
![Afonso, Prince of Beira Afonso, Prince of Beira](http://www.thefamouspeople.com/profiles/thumbs/afonso-prince-of-beira-98303-1.jpg)
![Afonso IV of Portugal Afonso IV of Portugal](http://www.thefamouspeople.com/profiles/thumbs/afonso-iv-of-portugal-1.jpg)
![Ferdinand I of Portugal Ferdinand I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/ferdinand-i-of-portugal-1.jpg)
![Afonso III of Portugal Afonso III of Portugal](http://www.thefamouspeople.com/profiles/thumbs/afonso-iii-of-portugal-1.jpg)
![Afonso VI of Portugal Afonso VI of Portugal](http://www.thefamouspeople.com/profiles/thumbs/afonso-vi-of-portugal-54241-1.jpg)
![Denis of Portugal Denis of Portugal](http://www.thefamouspeople.com/profiles/thumbs/denis-of-portugal-1.jpg)
![Sancho I of Portugal Sancho I of Portugal](http://www.thefamouspeople.com/profiles/thumbs/sancho-i-of-portugal-1.jpg)
![Peter II of Portugal Peter II of Portugal](http://www.thefamouspeople.com/profiles/thumbs/peter-ii-of-portugal-1.jpg)
![Peter III of Portugal Peter III of Portugal](http://www.thefamouspeople.com/profiles/thumbs/peter-iii-of-portugal-40492-1.jpg)
![Maria Manuela, Princess of Portugal Maria Manuela, Princess of Portugal](http://www.thefamouspeople.com/profiles/thumbs/maria-manuela-princess-of-portugal-1.jpg)
The eldest daughter of Portuguese king John III, Maria Manuela was also the first wife of Philip II of Spain, who ruled Spain, Portugal, Naples, and Sicily at various points. She died following a haemorrhage after giving birth to Carlos, Prince of Asturius, also known as Don Carlos.
![António, Prior of Crato António, Prior of Crato](http://www.thefamouspeople.com/profiles/thumbs/antnio-prior-of-crato-1.jpg)
![Henry, Count of Portugal Henry, Count of Portugal](http://www.thefamouspeople.com/profiles/thumbs/henry-count-of-portugal-123900-1.jpg)