Poss. HM George I's 22-Great Grandfather. Poss. HRE Ferdinand I's 19-Great Grandfather. Poss. HRE Charles VI's 22-Great Grandfather. Poss. U.S. President [John ADAMS]'s 26-Great Grandfather. Poss. Wm. von Bismarck's 27-Great Grandfather. Poss. Agnes Harris's 24-Great Grandfather. Poss. `Osawatomie' Brown's 28-Great Grandfather.