+--Charles Alfred Greeley  (19 FEB 1826-)
|  |        +--James Thornton 
|  |     +--Mathew Thornton  (1714-24 JUN 1803)
|  |  +--James T. Thornton  (20 DEC 1763-1820)
|  |  |  |  +--Andrew Jack  (-1773)
|  |  |  +--Hannah Jack 
|  |  |     |  +--John Morison  (1628-16 FEB 1736)
|  |  |     +--Mary Morison  (1718-)
|  |  |        +--Jeanette Steele 
|  +--Hannah Thornton  (26 SEP 1797-1874)
|     +--Mary Parker  (3 JAN 1763-1832)
George Thornton Greeley  (23 AUG 1856-)
|  +--Robert Reed 
+--Helen Reed