Luisa Isabel Álvarez de Toledo y Maura, 21st Duchess of Medina Sidonia, GE 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.
- Occupation
- historian, writer
- Citizenship
- Spain, Portugal
- Born
- August 21, 1936
- Died
- March 7, 2008
