+--Andrew Todd 
         +--Samuel Todd  (1726-30 MAR 1765)
      +--John Todd  (9 APR 1757-27 OCT 1846)
      |  |     +--John Morison  (1628-16 FEB 1736)
      |  |  +--John Morison  (1678-14 JUN 1776)
      |  |  |  +--Wife One 
      |  +--Hannah Morison  (10 APR 1730-30 NOV 1760)
      |     +--Margaret Wallace  (1687-18 APR 1769)
   +--James B. Todd  (25 NOV 1787-20 MAY 1863)
   |  +--Rachel Duncan  (1759-26 APR 1815)
+--Isaac A. Todd  (18 DEC 1816-)
|  +--Sarah Appleton 
Isaac A. Todd  (17 MAY 1849-13 FEB 1855)
+--Frances Dewey  (26 OCT 1825-)