HM George I's 15-Great Half-Uncle. Poss. HRE Ferdinand I's 12-Great Uncle. HRE Charles VI's 16-Great Half-Uncle. U.S. President [HAYES]'s 17-Great Grandfather. HRH Charles's 23-Great Grandfather. PM Churchill's 21-Great Grandfather. `Osawatomie' Brown's 23-Great Grandfather. Jamie's 25-Great Grandfather.