Duke of the Infantado
Duke of the Infantado () is a Spanish peerage title that was granted to Diego Hurtado de Mendoza y Figueroa, son of Íñigo López de Mendoza, 1st Marquis of Santillana, by the Catholic Monarchs, Ferdinand II of Aragon and Isabella I of Castile, on 22 July 1475. 

The Dukes of the Infantado remained an important family throughout Spanish history.<br>
The family counts seven knights in the Order of the Golden Fleece and one Prime Minister of Spain (the 13th Duke).

Diego Hurtado de Mendoza built the New Castle of Manzanares el Real. Later the seat of the Dukes of the Infantado moved to the "Palacio del Infantado" in Guadalajara.
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Diego Hurtado de Mendoza y Figueroa
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Q28779
Íñigo López de Mendoza, 1st Marquis of Santillana
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Q186851
Catholic Monarchs
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Q12860
Ferdinand II of Aragon
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Q45859
Isabella I of Castile
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Order of the Golden Fleece
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Q844587
Prime Minister of Spain
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Q1013093
New Castle of Manzanares el Real
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Palacio del Infantado
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Guadalajara
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Duke of the Infantado
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1475-07-22T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
22 July 1475
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1
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+13^^http://www.w3.org/2001/XMLSchema#decimal
13
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child
noble title
spouse
spouse
located in the administrative territorial entity