Holders

• 1 Diego Mesía y Guzman, 1st marquess of Leganes
• 2 Gaspar Mesía y Guzman, 2nd marquess of Leganes
• 3 Diego Mesía y Guzman, 3rd marquess of Leganes, 2nd marquess of Morata
• 4 António Gaspar Osorio de Moscoso y Aragon, 9th count of Altamira * 1689
• 5 Ventura Antonio Osorio de Moscoso y Guzman Davila y Aragon, 14th marquess of Astorga * 1707
• 6 Ventura Osorio de Moscoso y Fernández de Córdoba, 15th marquess of Astorga * 1731
• 7 Vicente Joaquín Osorio de Moscoso y Guzmán, marquess de Astorga * 1756
• 7 Vicente Joaquín Osorio de Moscoso y Guzmán, marquess de Astorga * 1756
• 8 Vicente Ferrer Isabel Osorio de Moscoso y Alvarez de Toledo, duke of Sessa * 1777
• 9 Vicente Pio Osorio de Moscoso, 15th count of Altamira * 1801
• 10 María Cristina Osorio de Moscoso y Carvajal, 12nd duchess of Sanlúcar la Mayor * 1829
• 11 Pierre d' Alcantara, prince-duc de Bauffremont-Courtenay * 1879
• 12 Leopoldo Baron y Osorio de Moscoso, 19th duke of Sessa * 1920
• 13 Gonzalo Baron y Gavito, 20th duke of Sessa * 1948

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