The PEDIGREE of

Joan

HM George I's 12-Great Grandmother.       U.S. President ^{_{[B, HARRISON]}}'s 16-Great Grandmother.       PM Churchill's 18-Great Grandmother.       Lady Diana's 19-Great Grandmother.       PM Cameron's 20-Great Grandmother.       HRH Albert II's 20-Great Grandmother.       Louis XVII's 16-Great Grandmother.       Poss. Jamie's 19-Great Grandmother.