+--William Graham  (1 APR 1784-17 MAR 1826)
Lydia B. Graham  (1 MAY 1826-28 MAR 1827)
|           +--John Morison  (1628-16 FEB 1736)
|        +--John Morison  (1678-14 JUN 1776)
|        |  +--Wife One 
|     +--Thomas Morison  (1710-23 NOV 1797)
|     |  +--Margaret Wallace  (1687-18 APR 1769)
|  +--Robert Morison  (29 NOV 1744-13 FEB 1826)
|  |  +--Mary Smith  (1712-29 DEC 1799)
+--Betsey Morison  (8 NOV 1787-31 OCT 1843)
   +--Elizabeth Holmes  (23 JUN 1754-17 MAY 1808)