Poss. HM George I's 17-Great Grandfather. Poss. U.S. President [GARFIELD]'s 21-Great Grandfather. PM Churchill's 24-Great Grandfather. Lady Diana's 24-Great Grandfather. HRH Albert II's 26-Great Grandfather. Louis XVII's 18-Great Grandfather. Poss. `Osawatomie' Brown's 22-Great Grandfather. Poss. Jamie's 24-Great Grandfather.