U.S. President's 12-Great Grandmother. HRH Charles's 14-Great Grandmother. PM Churchill's 12-Great Grandmother. Lady Diana's 13-Great Grandmother. P.M. Cameron's 15-Great Grandmother. HRH Albert II's 15-Great Aunt. Philippe of Belgium's 15-Great Grandmother. Grand Duke Henri's 15-Great Grandmother. Poss. Jamie's 15-Great Grandmother.
"There is no king who has not had a slave among his ancestors, and no slave who has not had a king among his."