Poss. HM George I's 20-Great Grandmother. Poss. HRE Ferdinand I's 16-Great Grandmother. Poss. HRE Charles VI's 21-Great Grandmother. Poss. U.S. President [JEFFERSON]'s 23-Great Grandmother. Poss. PM Churchill's 27-Great Grandmother. Poss. Wm. von Bismarck's 26-Great Grandmother. Poss. `Osawatomie' Brown's 25-Great Grandmother. Poss. Jamie's 28-Great Grandmother.