Category:Mariano Téllez Girón y Beaufort Spontin

**Mariano Téllez-Girón y Beaufort Spontin**
	Spanish diplomat, politician and military personnel (1814-1882)
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Name in native language	Mariano Téllez-Girón y Beaufort Spontin;
Date of birth	19 July 1814; Madrid; Mariano Téllez-Girón y Beaufort Spontin
Date of death	2 June 1882; Beauraing
Country of citizenship	Spain;
Occupation	diplomat; politician; military personnel;
Member of	Real Academia de la Historia;
Position held	Senator of the Kingdom; ambassador of Spain to the United Kingdom of Great Britain and Ireland (1837–1837); Spanish ambassador to the Russian Empire (1856–1868); Gentilhombre de cámara con ejercicio (1838–);
Noble title	Duke of the Infantado; Duke of Lerma; Duke of Osuna; Duke of Gandía; Duke of Benavente; Duke of Arcos; marquess of Zahara; count of Saldaña; Count of Villada; Count of Ampudia; Duke of Francavilla; Count of Real de Manzanares;
Father	Francisco Téllez-Girón, 10th Duke de Osuna;
Mother	Comtesse Francoise de Beaufort-Spontin;
Sibling	Pedro de Alcántara Téllez-Girón y Beaufort Spontin, 14th Duke of the Infantado;
Spouse	María Leonor de Salm-Salm (1866 – unknown value);
Work location	Madrid;
Award received	Order of the Golden Fleece; Order of St. Andrew; Order of St. Alexander Nevsky with diamond signs; Order of Saint Stanislaus; Grand Cross of the Order of Charles III (1845);
Authority file
	Q2883259; ISNI: 0000000108154280; VIAF ID: 88920397; GND ID: 131654837; Library of Congress authority ID: nr97040607; Bibliothèque nationale de France ID: 16688884p; IdRef ID: 253196779; Léonore ID: LH//2025/15; National Library of Spain ID: XX1351008; NORAF ID: 2075038; National Library of Israel J9U ID: 987007302899305171; Open Library ID: OL2525931A, OL2495076A
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Español: Mariano Francisco de Borja José Justo Téllez-Girón y Beaufort-Spontin, XII duque de Osuna y XV duque del Infantado (Madrid, 19.7.1814 - Beauraing, Bélgica, 2.6.1882) fue un noble, político, diplomático y militar español.