(untitled) - Maria Amalia, Duchess, consort of Ferdinand, Infante of Spain, Duke of Parma, 1746-1804; Maria Amalia, Duchess, consort of Ferdinand, Infante of Spain, Duke of Parma, 1746-1804; Maria Amalia, Duchess, consort of Ferdinand, Infante of Spain, Duke of Parma, 1746-1804