Poss. HM George I's 19-Great Grandmother. Poss. HRE Ferdinand I's 17-Great Grandmother. Poss. HRE Charles VI's 21-Great Grandmother. Poss. U.S. President [HAYES]'s 21-Great Grandmother. Poss. PM Churchill's 25-Great Grandmother. Poss. HM Margrethe II's 26-Great Grandmother. Poss. Agnes Harris's 19-Great Grandmother. Poss. `Osawatomie' Brown's 24-Great Grandmother.