Career
He led Spanish troops during the French Revolutionary Wars. Family
His mother was really named María Vicenta Tellez-Girón (born 28 July 1735 - died ????), but even so he is known as a Pacheco, perhaps because of the extensive family comnnections between Téllez - Girón"s and Pacheco"s since the 15th century. 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.
Military career
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.
He later fought in the western Pyrenees. In the fall of 1794, he was placed in charge of the defense of Navarre.
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. Another of the children from Goya"s painting was known as Pedro de Álcantara Téllez-Girónew york 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. Images by Francisco Goya.