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 has reigned agnatically in Luxembourg when upon the abdication of his mother Jean, Grand Duke of Luxembourg, ascended to the throne. Jean was the son of Prince Felix of Bourbon-Parma, a younger son of Robert I of Parma, and Charlotte, Grand Duchess of Luxembourg. Charlotte's descendants have since reigned as the continued dynasty of "Nassau". In October 2000 Jean abdicated the Luxembourgian throne in favour of his eldest son, Henri, Grand Duke of Luxembourg. Sources: House of Bourbon-Parma The House of Bourbon-Parma () is a cadet branch of the Spanish royal family, whose members once ruled as