House of Bourbon-Parma
Xavier, Duke of Parma and Piacenza, known in France before 1974 as Prince Xavier de Bourbon-Parme, known in Spain as Francisco Javier de Borbón-Parma y de Braganza or simply as Don Javier (25 May 1889 – 7 May 1977), was the head of the ducal House of Bourbon-Parma and Carlist pretender to the throne of Spain.