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The Most Excellent The Duke of Osuma GE
Portrait by Guillermo Ducker, 1805
Born	Pedro de Alcántara Téllez-Girón y Pacheco (1755-08-08)8 August 1755 Madrid, Spain
Died	7 January 1807(1807-01-07) (aged 51) Madrid, Spain
Spouse	María Josefa Pimentel
Children	Josefa, Marchioness of Camarasa (1783–1817) Joaquina, Marchioness of Sta. Cruz (1784–1851) Francisco, 10th Duke de Osuna (1785–1830) Pedro, Prince of Anglona (1786–1851) Manuela, Duchess of Abrantes (1794–1838)
Parents	Pedro Zoilo Téllez-Girón y de Guzmán (father) María Vicenta Pacheco Téllez-Girón (mother)
Family	House of Osuna
Seat T of the Real Academia Española
In office 23 February 1790 – 7 January 1807
Preceded by	José Miguel de Flores
Succeeded by	Demetrio Ortiz

Pedro de Alcántara Téllez-Girón y Pacheco, 9th Duke of Osuna, Grandee of Spain^{[note 1]} (8 August 1755 – 7 January 1807), was a Spanish nobleman and military commander during the French Revolutionary Wars.

His father, the 8th Duke, was Pedro Zoilo Téllez Girón y de Guzmán (27 June 1728 – 1 April 1787) and his mother was María Vicenta de la Portería Pacheco Téllez-Girón (born 28 July 1735).

In 1772, he married María Josefa Pimentel, 12th Countess-Duchess of Benavente. She was 15th Countess of Benavente, Grandee of Spain, 13th Duchess of Béjar, Duchess of Arcos, Duchess of Gandía and Duchess of Monteagudo, Princess of Esquilache and Marquise of Lombay, whose possessions and noble titles were absorbed thereto by the Osuna family.^{[citation needed]}

Téllez-Girón held important commands during the War of the Pyrenees which began on 7 March 1793 and ended with the Peace of Basel on 22 July 1795. As a Lieutenant General, he commanded a column under Captain General Antonio Ricardos in the Battle of Mas Deu in the eastern Pyrenees on 19 May 1793. Soon after the battle, he transferred out of Ricardos' Army of Catalonia.^[1] He later fought in the western Pyrenees. In the fall of 1794, he was placed in charge of the defense of Navarre. The Army of the western Pyrenees under French General Bon-Adrien Jeannot de Moncey defeated his badly outnumbered troops in the Battle of Orbaitzeta in October 1794, though he was able to keep the French from capturing the city of Pamplona.^{[citation needed]}

In a famous portrait, Goya portrays the Duke of Osuna without any medals in front of a dark background. The only indication of his military background is the baton he holds. One of his children was Joaquina Téllez-Girón, Marchioness of Santa Cruz, who was also portrayed by Goya. Another of the children from Goya's painting was Pedro de Álcantara Téllez-Girón y Pimentel, (1786–1851), Principe de Anglona, Captain General of the Island of Cuba from 10 January 1840 to 7 March 1841, and who was substituted by Jerónimo Valdés y Sierra (1784–1855), Captain General of the Island of Cuba from 7 March 1841 to 13 September 1843.^{[note 2]}

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  The 9th Duke of Osuna (1785)
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  The 9th Duke of Osuna (1785)
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  The Duchess of Osuna (1785)
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  The Duke and Duchess of Osuna and their Children (1788)
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  The Marchioness of Santa Cruz (1805)
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  The Duchess of Abrantes (1816)
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  The 10th Duke of Osuna (1816)

• Paintings for the alameda of the Dukes of Osuna

• Hobbs, Nicolas (2007). "Grandes de España" (in Spanish). Archived from the original on October 25, 2008. Retrieved 15 October 2008.
• Instituto de Salazar y Castro. Elenco de Grandezas y Titulos Nobiliarios Españoles. periodic publication.

Wikimedia Commons has media related to Pedro de Alcántara Téllez-Girón y Pacheco 9th Duke of Osuna.

• Bataille du Mas Deu le 17-18 Mai 1793, prats.fr; accessed 18 February 2015.
• Pedro de Alcantara Téllez-Girón y Pacheco, 9. duque de Osuna, geneall.net; accessed 18 February 2015.