+--Isaac Tinkham  (-UNKNOWN)
      +--Ebenezer Tinkham  (13 DEC 1777-11 MAR 1856)
      |  +-- Lucretia  (-UNKNOWN)
   +--Calvin Tinkham  (16 MAR 1801-7 JAN 1877)
   |  |        +--Robert Morrison  (ABT 1700-1764)
   |  |     +--William Morrison  (BET 1720 AND 1727-1758)
   |  |     |  +--Unknown    (Abt. 1700-Bef. 1750)
   |  |  +--William Morrison  (16 AUG 1749-29 AUG 1826)
   |  |  |  |           +--John Montgomery  (1640-1689)
   |  |  |  |        +--Robert Montgomery  (1660-1689)
   |  |  |  |        |  +--Isabella Shaw 
   |  |  |  |     +--William Montgomery  (1675-MAY 1733)
   |  |  |  |     |  |  +--High McCullom 
   |  |  |  |     |  +--Mary McCullom  (1665-3 Dec 1692)
   |  |  |  |  +--John Montgomery  (1703-4 OCT 1743)
   |  |  |  |  |  +--Mary Akin  (1682-1756)
   |  |  |  +--Sarah Montgomery  (1728-3 OCT 1817)
   |  |  |     |  +--James HARPER  (1676-1775)
   |  |  |     +--Sarah Harper  (1705-1749)
   |  |  |        +--Jannett LEWIS  (26 Feb 1657-)
   |  +--Hannah Morrison  (11 DEC 1779-UNKNOWN)
   |     +--Hannah Benson  (1747-13 March 1826)
+--George C Tinkham  (23 SEP 1835-UNKNOWN)
|  +--Harriet Harlow  (1806-17 SEP 1865)
George F Tinkham  (31 AUG 1862-UNKNOWN)
+--Sarah Gibbs  (-UNKNOWN)