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
Bourbon-Busset today, instead of me." Since 2001, the Head of the House of Bourbon-Busset is Charles de Bourbon, Count of Busset (born 1945), who is a civil engineer of the "Ecole des Mines de Paris", and Mayor of Ballancourt-sur-Essonne (1998-2014). He is the son of Jacques de Bourbon-Busset. Bourbon-Busset The Bourbon-Busset family is an illegitimate branch of the House of Bourbon, being thus agnatic descendants of the Capetian dynasty. Historically, they have been regarded as non-dynastic since decisions rendered by Louis XI of France. Possibly, however, the family may be canonically legitimate, in which case it is the most senior extant