Duke of Híjar
Duke of Híjar is a hereditary title in the Peerage of Spain, accompanied by the dignity of Grandee and granted in 1483 by Ferdinand II to Juan Fernández de Híjar, Lord of Híjar and later also Duke of Lécera and Aliaga.Dukes of Híjar
- Juan Fernandez de Híjar y Cabrera, 1st Duke of Híjar
- Luis Fernández de Híjar y Beaumont, 2nd Duke of Híjar
- Juan Francisco Fernández de Hijar, 3rd Duke of Híjar
- Isabel Margarita Fernández de Híjar y Castro-Pinós, 4th Duchess of Híjar
- Jaime Francisco Sarmiento de Silva, 5th Duke of Híjar
- Juana Petronila de Silva y Aragón, 6th Duchess of Híjar
- Isidro Francisco Fernández de Híjar y Silva, 7th Duke of Híjar
- Joaquín Diego de Silva y Moncada, 8th Duke of Híjar
- Pedro de Alcántara Fernández de Híjar y Abarca de Bolea, 9th Duke of Híjar
- Agustín Pedro de Silva y Palafox, 10th Duke of Híjar
- Francisca Javiera de Silva y Fitz-James Stuart, 11th Duchess of Híjar
- José Rafael de Silva Fernández de Híjar y Palafox, 12th Duke of Híjar
- Cayetano de Silva y Fernández de Córdoba, 13th Duke of Híjar
- Agustín de Silva y Bernuy, 14th Duke of Híjar
- Alfonso de Silva y Campbell, 15th Duke of Híjar
- Alfonso de Silva y Fernández de Córdoba, 16th Duke of Híjar
- Cayetana Fitz-James Stuart y Silva, 17th Duchess of Híjar
- Alfonso Martínez de Irujo y Fitz-James Stuart, 18th Duke of Híjar