HM George I's 14-Great Uncle. HRE Ferdinand I's 10-Great Uncle. HRE Charles VI's 15-Great Uncle. U.S. President [MONROE]'s 22-Great Uncle. HRH Charles's 23-Great Grandfather. PM Cameron's 25-Great Grandfather. Louis XVII's 18-Great Grandfather. HM Manuel II's 21-Great Grandfather. Poss. Jamie's 24-Great Uncle.