Duke of Viseu (in Portuguese ''Duque de Viseu'') was a Portuguese Royal Dukedom created in 1415 by King

John I of Portugal John I ( WP:IPA for Portuguese, �uˈɐ̃w̃ 11 April 1357 – 14 August 1433), also called John of Aviz, was King of Portugal from 1385 until his death in 1433. He is recognized chiefly for his role in Portugal's victory in 1383–85 crisi ...

for his third male child,

Henry the Navigator Princy Henry of Portugal, Duke of Viseu ( Portuguese: ''Infante Dom Henrique''; 4 March 1394 – 13 November 1460), better known as Prince Henry the Navigator (), was a Portuguese prince and a central figure in the early days of the Portuguese ...

, following the conquest of

Ceuta Ceuta (, , ; ) is an Autonomous communities of Spain#Autonomous cities, autonomous city of Spain on the North African coast. Bordered by Morocco, it lies along the boundary between the Mediterranean Sea and the Atlantic Ocean. Ceuta is one of th ...

. When

died without issue, his nephew, Infante Ferdinand of Portugal (King

Edward, King of Portugal Edward ( ; 31 October 1391 – 9 September 1438), also called Edward the Philosopher King (''Duarte o Rei-Filósofo'') or the Eloquent (''o Eloquente''), was the King of Portugal from 1433 until his death. He was born in Viseu, the son of John I o ...

's younger son), who was already

Duke of Beja Duke of Beja () was an aristocratic Portuguese title and royal dukedom, associated with the Portuguese Royal House. List of dukes of Beja # Infante Fernando, 2nd Duke of Viseu (1433–1470), King Duarte I's third son (second surviving); # I ...

, inherited the Dukedom of Viseu and, when his younger son became King of Portugal as

Manuel I Manuel I may refer to: *Manuel I Komnenos Manuel I Komnenos (; 28 November 1118 – 24 September 1180), Latinized as Comnenus, also called Porphyrogenitus (; " born in the purple"), was a Byzantine emperor of the 12th century who reigned ov ...

, this became a royal Dukedom.

List of dukes of Viseu

# Infante Henrique, Duke of Viseu (1394–1460), King João I's fourth son (third surviving); # Infante Fernando, Duke of Viseu (1433–1470), also 1st Duke of Beja, King Duarte I's third son (second surviving); # Infante João, Duke of Viseu (1448–1472), also 2nd Duke of Beja, Infante Fernando's eldest son; # Infante Diogo, Duke of Viseu (1450–1484), also 3rd Duke de Beja, Infante Fernando's second son; #

King Manuel I Manuel I (; 31 May 146913 December 1521), known as the Fortunate (), was King of Portugal from 1495 to 1521. A member of the House of Aviz, Manuel was Duke of Beja and Viseu prior to succeeding his cousin, John II of Portugal, as monarch. Manue ...

(1469–1521), Infante Fernando's seventh son (third surviving); # Infanta Maria, Duchess of Viseu (1521–1577),

's daughter from his third marriage;

Claimants

Following the establishment of the Portuguese Republic, the following individuals have claimed to be the Dukes of Viseu: #

Prince Miguel, Duke of Viseu Prince Miguel of Braganza, Duke of Viseu (22 September 1878 – 21 February 1923) was a member of the exiled branch of the House of Braganza. The eldest son of the Miguelist pretender to the throne of Portugal, he married an American heiress in 190 ...

(1878–1923), Prince Miguel, Duke of Braganza's elder son from his first marriage; #Infante Miguel, Duke of Viseu (born 1946), Prince Duarte Nuno, Duke of Braganza's second son.

References

*”Nobreza de Portugal e do Brasil" – Vol. I, pages 272/295; Vol. III, pages 544/546. Published by Zairol Lda., Lisbon 1989. {{DEFAULTSORT:Viseu Dukedoms of Portugal

Viseu Viseu () is a city and municipality in the Centro Region of Portugal and the capital of the Viseu District, district of the same name, with a population of 100,105 inhabitants in the entire municipality, and center of the Viseu Dão Lafões Interm ...

1415 establishments in Portugal

List of dukes of Viseu

Claimants

See also

References