Duke de Porto ( port. Duque de Porto ) - Portuguese noble title. It was created in 1833 for the Infanta Maria , the eldest daughter of King of Portugal Pedro IV (1798-1834) and Maria Leopoldina of Austria (1797-1826). Later, Maria de Braganca was the Queen of Portugal in 1834 - 1853 .
| Dukes of Porto | |
|---|---|
 Coat of arms of the Dukes de Porto | |
| Period | April 4, 1833 - present |
| Ancestor | Infanta Maria, Duchess of Porto |
| Homeland | Kingdom of portugal |
| Nationality | Portugal |
The title comes from the name of the city of Porto in the north of Portugal. During the Miguelist Wars, the city of Porto showed loyalty to Pedro IV and Mary II.
After Mary's accession to the Portuguese royal throne, the title of the Duke de Porto became associated with the second male child in the royal family.
List of the Dukes de Porto
| Picture | Name | Life span | Title stay | Parents |
|---|---|---|---|---|
| Infanta Maria, Duchess of Porto | April 4, 1819 - November 15, 1853 | April 4, 1833 - October 31, 1838 | Pedro IV and Maria Leopoldina of Austria | |
| Infant Luis, Duke of Porto | October 31, 1838 - October 19, 1889 | October 31, 1838 - July 31, 1865 | Mary II and Fernando II | |
| Infant Afonso, Duke of Porto | July 31, 1865 - February 21, 1920 | July 31, 1865 - February 21, 1920 | Luis I and Maria Pia of Savoy | |
| Infante Dinish, Duke of Porto | November 25, 1999 - present | November 25, 1999 - present | Prince Duarte Pieux, Duke of Bragança , and Isabelle de Heredia |