+--James C. Christie  (22 JAN 1785-13 NOV 1855)
+--George W. Christie  (21 OCT 1818-16 DEC 1878)
|  |        +--John Morison  (1628-16 FEB 1736)
|  |     +--Samuel Morison  (1710-21 JUN 1802)
|  |     |  +--Jeanette Steele 
|  |  +--Samuel Morison  (1744-8 DEC 1833)
|  |  |  |  +--Samuel Alison 
|  |  |  +--Janet Alison  (1712-8 JAN 1800)
|  +--Mary H. Morison  (7 MAR 1789-29 AUG 1858)
Mary A. B. Christie  (18 MAR 1857-)
+--Katherine Buchanan