Burón & Martín Alonso 1976, p. 42. "Clemente Domínguez, el 'Papa' de El Palmar de Troya". El Mundo. 22 March 2005. Gómez Burón & Martín Alonso 1976, p. 37
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