HM George I's 16-Great Uncle. HRE Ferdinand I's 13-Great Uncle. HRE Charles VI's 17-Great Uncle. U.S. President [TYLER]'s 22-Great Grandfather. HRH Charles's 24-Great Grandfather. PM Churchill's 24-Great Grandfather. Poss. Agnes Harris's 19-Great Grandfather. `Osawatomie' Brown's 22-Great Half-Uncle.