House of Bourbon-Parma
Elias, Duke of Parma and Piacenza (; 23 July 1880 – 27 June 1959) was the head of the House of Bourbon-Parma and pretender to the defunct throne of Parma between 1950 and 1959. From 1907 to 1950 he served as regent for the claims of his two older disabled brothers.