Elias, Duke of Parma
Elias, Duke of Parma and Piacenza was the head of the House of BourbonParma 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.
Elias was born at Biarritz, the youngest son of the deposed Duke Robert I of Parma and his first wife Princess Maria Pia of BourbonTwo Sicilies .
Source: Wikipedia