Poss. U.S. President's 11-Great Grandmother. Poss. HRH Charles's 16-Great Grandmother. Poss. Lady Diana's 18-Great Grandmother. Poss. HRH Albert II's 21-Great Grandmother. Poss. Gen. Pierpont Hamilton's 19-Great Grandmother. Poss. `Osawatomie' Brown's 16-Great Grandmother. Poss. Jamie's 22-Great Grandmother.