????
           Stone, (unknown) (b:)(d:)
          |          ????
 Stone, Sally (b:)(d:)
          |                    ????
          |          Coulter, Peter (b:)(d:)
          |         |          ????
           Coulter, Elizabeth (b:)(d:)
                    |          ????
                     Carroll, Sarah Lee (b:)(d:)
                               ????