Leoncio Alonso González de Gregorio, 22nd Duke of Medina Sidonia

In this Spanish name, the first or paternal surname is González de Gregorio and the second or maternal family name is Álvarez de Toledo.

Leoncio Alonso González de Gregorio y Álvarez de Toledo, 22nd Duke of Medina Sidonia, GE (born 3 January 1956) is a Spanish aristocrat and historian. Born in Madrid, Medina Sidonia is the eldest son of Leoncio González de Gregorio y Martí and his wife Luisa Isabel Álvarez de Toledo, 21st Duchess of Medina Sidonia. The Duke is Professor of History at the University of Castile-La Mancha and of the Diplomatic School of the Ministry of Foreign Affairs and Cooperation.

The Most Excellent The Duke of Medina Sidonia GE
The Duke of Medina Sidonia in a conference at IE University, 2015
Personal details
Born	Leoncio Alonso González de Gregorio y Álvarez de Toledo (1956-01-03) 3 January 1956 (age 69) Madrid, Spain
Spouses	María Montserrat Viñamata y Martorell ​ ​ (m. 1983; div. 1998)​ Pamela García Damián ​ ​ (m. 2001)​
Children	Alonso Enrique González de Gregorio y Viñamata María de la Soledad González de Gregorio y Viñamata
Parents	Leoncio González de Gregorio y Martí Luisa Isabel Álvarez de Toledo, 21st Duchess of Medina Sidonia
Alma mater	Colegio del Pilar
Profession	History professor

Family

González de Gregorio married firstly his distant cousin María Montserrat Viñamata y Martorell, younger daughter of Luis Viñamata y Emmanueli and The Countess of Alba de Liste, on 12 December 1983, and divorced in 1998. They had two children:

• Don Alonso Enrique González de Gregorio y Viñamata, 14th Duke of Fernandina (b. 1983)
• Doña María de la Soledad González de Gregorio y Viñamata (b. 1989), who married in September 2017 Jérémy Bégard.

The Duke married secondly Pamela García Damián, of Venezuelan origin, daughter of Armando García Liceaga y Pérez de Viñaspre and María Pilar Damián Gracia, in 2001.

Ancestry

Ancestors of Leoncio Alonso González de Gregorio, 22nd Duke of Medina Sidonia

16. Pedro González de Gregorio y López-Montenegro 8. Leoncio González de Gregorio y Martínez de Azagra 17. Micaela Martínez de Azagra y Garcés de Marcilla 4. Leoncio González de Gregorio y Arribas 18. Julián Casildo de Arribas y Arauz 9. María de la Concepción de Arribas y Turull 19. María de la Concepción Turull y Comadrán 2. Leoncio González de Gregorio y Martí 20. Francisco Martí y Díaz de Jáuregui 10. Ernesto Martí y Saccone 21. Ernestina Saccone 5. María Leticia Martí y Rodríguez de Castro 22. Manuel Rodríguez de Castro y Mena 11. Isabel Rodríguez de Castro y Bueno 23. Leticia Bueno, 1st Marchioness of Bueno 1. Leoncio Alonso González de Gregorio, 22nd Duke of Medina Sidonia 24. José Joaquín Álvarez de Toledo, 18th Duke of Medina Sidonia 12. José Joaquín Álvarez de Toledo, 19th Duke of Medina Sidonia 25. Rosalía Caro y Álvarez de Toledo 6. Joaquín Álvarez de Toledo, 20th Duke of Medina Sidonia 26. Carlos Caro, 18th Count of Caltavuturo 13. Rosalía Caro y Caro 27. María de la Encarnación Caro y Gumucio 3. Luisa Isabel Álvarez de Toledo, 21st Duchess of Medina Sidonia 28. Antonio Maura y Montaner 14. Gabriel Maura, 1st Duke of Maura 29. Constancia Gamazo y Calvo 7. María del Carmen Maura y Herrera 30. Ramón de Herrera, 3rd Count of la Mortera 15. Julia de Herrera, 5th Countess of la Mortera 31. Juana de Herrera y Sosa

Titles and styles

Titles

• 22nd Duke of Medina Sidonia, Grandee of Spain^[1]
• 18th Marquess of Villafranca del Bierzo, Grandee of Spain^[2]
• 17th Marquess of los Vélez, Grandee of Spain^[3]
• 26th Count of Niebla

Styles

• The Most Excellent The Count of Niebla (1956–2008)^[4]
• The Most Excellent The Duke of Medina Sidonia (2008– )