Prince Sixtus Henry of Bourbon-Parma Prince Sixtus Henry of Bourbon-Parma Prince Sixtus Henry of Bourbon-Parma (; ; born 22 July 1940) is considered Regent of Spain by some Carlists who accord him the titles Duke of Aranjuez, Infante of Spain, and Standard-bearer of Tradition. Sixtus was born in Pau, Pyrénées-Atlantiques during the World War II Vichy regime of France, the second son of Prince Xavier of Bourbon-Parma (then Prince Regent, later Carlist pretender to the throne of Spain, later titular Duke of Parma) and his wife Madeleine de Bourbon-Busset. He belongs to a cadet branch of the former royal dynasty of France (and current dynasty
House of Bourbon-Parma House of Bourbon-Parma The House of Bourbon-Parma () is a cadet branch of the Spanish royal family, whose members once ruled as King of Etruria and as Duke of Parma and Piacenza, Guastalla, and Lucca. The House descended from the French Capetian dynasty in male line. Its name of Bourbon-Parma comes from the main name (Bourbon) and the other (Parma) from the title of Duke of Parma. The title was held by the Spanish Bourbons as the founder was the great-grandson of Duke Ranuccio II Farnese, Duke of Parma. The Duchy of Parma was created in 1545 from that part