????
                     Boyd, Thomas (b:1825)(d:1876-1878)
                    |          ????
           Boyd, Robert Dobson (b:1859-1860)(d:)
          |         |                    ????
          |         |          Rankin, George (b:1808-1809)(d:)
          |         |         |          ????
          |          Rankin, Mary Ann (b:1836)(d:1924)
          |                   |          ????
          |                    Douglas, Mary (b:1802-1803)(d:)
          |                              ????
 Boyd, Mabel Emma (b:1891)(d:)
          |          ????
           (unknown), Elizabeth (b:1874-1875)(d:1892-1904)
                     ????