+--D. T. Layton 
Winburn Laurie Layton  (1 JAN 1875-)
|              +--John Morison  (1628-16 FEB 1736)
|           +--John Morison  (1678-14 JUN 1776)
|           |  +--Wife One 
|        +--John Morison  (20 SEP 1725-27 DEC 1816)
|        |  +--Margaret Wallace  (1687-18 APR 1769)
|     +--Joseph A. Morison  (13 JUL 1769-OCT 1846)
|     |  +--Martha Anderson  (1732-31 MAR 1811)
|  +--Samuel Morison  (12 APR 1806-19 MAR 1877)
|  |  +--Isabella Fletcher  (1778-OCT 1821)
+--Isabel A. Morrison  (25 SEP 1843-)
   +--Eliza Hamilton