Author: Luisa Isabel Álvarez de Toledo
Alternate names: Luisa Isabel Álvarez de Toledo, duquesa de Medina Sidonia
Title: duquesa de Medina Sidonia
Born: 21 Aug 1936
Died: 7 Mar 2008
Bio: Luisa Isabel Alvarez de Toledo y Maura, 21st Duchess of Medina Sidonia, (21 August 1936 – 7 March 2008) was the holder of the Dukedom of Medina Sidonia in Spain. She was nicknamed La Duquesa Roja or The Red Duchess due to her lifelong left-wing, anti-Francoist, pro-democracy political activism.

She was the 21st Duchess of the ducal family of Medina-Sidonia, one of the most prestigious noble families and Grandees of Spain. She was also the 15th Duchess of Fernandina and Princess of Montalbán, 17th Marchioness of Villafranca del Bierzo, 18th Marchioness of los Vélez, 25th Countess of Niebla, and three times a Grandee of Spain. 

**Source**: [Luisa Isabel Álvarez de Toledo](https://upload.wikimedia.org/wikipedia/en/thumb/7/7c/Luisa_Isabel%2C_Duchess_of_Medina_Sidonia.jpg/220px-Luisa_Isabel%2C_Duchess_of_Medina_Sidonia.jpg) on Wikipedia.