Duke of Aveiro was a Portuguese title of nobility, granted in 1535 by King John III of Portugal to his 4th cousin, John of Lencastre, son of Infante George of Lencastre, a natural son of King John II of Portugal.
D. Pedro de Sousa Holstein, 1st Duke of Faial and Palmela was one of the most important Portuguese diplomats and statesmen in the first half of the 19th century. He also served as the country's first modern Prime Minister.
Duke of Loulé is a Portuguese title of nobility created by a royal decree of King Luis I of Portugal, dated from October 3, 1862, to his grand-uncle Nuno José Severo de Mendoça Rolim de Moura Barreto, 2nd Marquis of Loulé and 9th Count of Vale de Reis. The new duke descended from earlier Portuguese monarchs and belonged to the highest nobility. After the fall of the monarchy in 1910 and the death of King Manuel II, the Duke of Loulé was acclaimed by his supporters as head of the Portuguese Royal house.
Duke of Tancos was a Portuguese title of nobility, granted by a royal decree issued by Queen Maria I of Portugal on April 22, 1790, to Constança Manoel, 2nd Marchioness of Tancos and 7th Countess of Atalaia.
The title duke of Terceira, de juro e herdade was created by decree of King Pedro IV of Portugal, on 8 November 1832. António José de Souza Manoel de Menezes Severim de Noronha, 7th Count of Vila Flor, de juro e herdade, and 1st Marquis of Vila Flor, was the first holder of the title.
Duke of Lafões is a Portuguese title of nobility created under the decree of February 17, 1718, of King John V of Portugal and granted to his nephew, Dom Pedro Henrique de Bragança, the building force behind Palacio do Grilo and first son of Infante Miguel de Bragança, the latter an illegitimate son of King Peter II of Portugal and Anne Armande Pastre de Verger. Pedro's mother, Luisa Casimira de Sousa Nassau e Ligne was the first to use this title. The title was later passed on to his brother, João Carlos de Bragança e Ligne de Sousa Tavares Mascarenhas da Silva, the most famous Duke of this title.
The title Duke of Albuquerque was created under the royal decree of May 19, 1886, of king Luís I of Portugal in favour of Dom João Afonso da Costa de Sousa de Macedo, 2nd Count of Mesquitela and 4th Viscount of Mesquitela.
Duke of Ficalho was a Portuguese title of nobility, granted by a decree issued by Queen Maria II of Portugal on May 14, 1836, to Eugénia de Almeida Portugal, 2nd Countess of Ficalho by marriage.
DomJoão Afonso da Costa de Sousa de Macedo was the 2nd Count of Mesquitela and 1st Duke of Albuquerque. Born and died in Lisbon, he was son of Luís da Costa de Sousa de Macedo e Albuquerque, the 1st Count of Mesquitela and Maria Inácia de Saldanha Oliveira e Daun, from the family of Marquis of Pombal.
The Dukes of Miranda do Corvo was a Portuguese title of nobility granted by Queen Maria I of Portugal, by a royal decree dated from May 13, 1796, to Dom José João Miguel de Bragança e Ligne, 1st Duke of Miranda do Corvo, who died in 1801, before his father, João Carlos de Bragança e Ligne de Sousa Tavares Mascarenhas da Silva, 2nd Duke of Lafões.
This was a Portuguese nobility title granted by King Luís I of Portugal to António José de Ávila, 1st Duke of Ávila and Bolama, a remarkable Portuguese politician and ambassador during the liberal period.
António José de Ávila was a Portuguese politician, minister of the kingdom, mayor of the city of Horta, on the island of Faial, in the Azores, Civil Governor of the same, Peer-of-the-Realm, Minister of State, and later Ambassador to Spain.
The Duke of Palmela is a Portuguese title granted by royal decree of Queen Maria II of Portugal, dated from October 18, 1850, to Dom Pedro de Sousa Holstein (1781–1850), a Portuguese politician during the first half of the 19th century. He was President of the Council of Ministers and a remarkable Ambassador in London and to the Congress of Vienna.
Duke of Faial was a Portuguese title of nobility, named for Faial Island in the Azores, which was granted by royal decree of Queen Maria II of Portugal, dated from 4 April 1833, to Pedro de Sousa Holstein, a 19th-century politician who served as Portugal's first prime-minister. Two months later, on 16 June, Sousa Holstein successfully petitioned the Queen to change the title from Duke of Faial to Duke of Palmela, which he used for the rest of his life.
Álvaro of Lencastre (1540–1626) was the son of Afonso of Lencastre, second son of infante George of Lencastre, 2nd Duke of Coimbra.
Count of Vale de Reis is a Portuguese title of nobility granted by royal decree of King Philip III of Portugal, dated from August 16, 1628, to Nuno de Mendonça.
Count of Miranda do Corvo was a Portuguese title of nobility created by a royal decree, dated from 21 March 1611, by King Philip II of Portugal, also known as Philip III of Spain, and granted to Dom Henrique de Sousa Tavares.
The Portuguese nobility was a social class enshrined in the laws of the Kingdom of Portugal with specific privileges, prerogatives, obligations and regulations. The nobility ranked immediately after royalty and was itself subdivided into a number of subcategories which included the titled nobility and nobility of blood at the top and civic nobility at the bottom, encompassing a small, but not insignificant proportion of Portugal's citizenry.
Maria Luísa de Sousa Holstein, 3rd Duchess of Palmela was a member of the Portuguese nobility who became known for her sculptures, which were exhibited at the Paris Salon, as well as for her charitable work, which included the establishment of soup kitchens for the poor of Lisbon.
Dukedoms of Portugal 
Marquisates of Portugal 
Countships of Portugal 
Viscountcies of Portugal 
Baronies of Portugal 
