Maria Teresa de Silva y Alvarez de Toledo (1716-1790) (1716–1790) Parents Maria Teresa Alvarez de Toledo, 11th Duchess of Alba Manuel Maria de Silva, 9th Conde de Galve Children Carlos Fitz-James Stuart, 4th Duke of Liria and Jérica Siblings Fernando de Silva, 12th Duke of Alba Ana de Silva y Álvarez de Toledo Partners James Fitz-James Stuart, 3rd Duke of Berwick