Poss. HM George I's 16-Great Grandfather. Poss. U.S. President [GARFIELD]'s 20-Great Grandfather. PM Churchill's 23-Great Grandfather. Lady Diana's 23-Great Grandfather. HRH Albert II's 25-Great Grandfather. Louis XVII's 17-Great Grandfather. HM Manuel II's 21-Great Grandfather. Poss. `Osawatomie' Brown's 21-Great Grandfather. Poss. Jamie's 23-Great Grandfather.