+--Edward Harold Doughty  (15 MAR 1890-14 DEC 1954)
Alice Harriett Doughty  (3 NOV 1912-9 APR 1992)
|     +--Jesse M. Crabtree 
|  +--Frank Albert Crabtree  (19 AUG 1853-12 JAN 1941)
|  |  +--Caroline M. Fisk 
+--Mabel Elizabeth Crabtree  (29 APR 1890-22 MAY 1919)
   |        +--Francis Young  (1750-8 APR 1834)
   |     +--William Young  (15 MAR 1780-3 NOV 1853)
   |     |  |                 +--John Killough 
   |     |  |              +--John Killough  (1630-)
   |     |  |           +--John Killough  (1657-CA. 1715)
   |     |  |           |  +--Mary Hyde 
   |     |  |        +--Robert Killough  (1681-1737)
   |     |  |        |  +--Anne (McNeil) MacNeill  (CA. 1659-)
   |     |  |     +--Finley (Killough) Kelloch  (1711-)
   |     |  |     |  +--Margaret Finley 
   |     |  |  +--Alexander Kelloch  (1740-14 FEB 1826)
   |     |  |  |  |  +--John Young 
   |     |  |  |  +--Mary Young  (12 JUN 1700-21 SEP 1795)
   |     |  |  |     +--Catherine?  
   |     |  +--Margaret Kelloch  (1766-17 JUN 1826)
   |     |     +--Eleanora Gault 
   |  +--Mark A. Young  (5 JUN 1819-12 MAY 1875)
   |  |  |  +--Joseph Davis 
   |  |  +--Mary "Polly" Davis  (18 JUN 1782-18 FEB 1863)
   |  |     +--Mary ______ 
   +--Harriet Elizabeth Young  (28 JUL 1862-23 SEP 1946)
      +--Eunice Payson Wentworth  (6 MAR 1827-25 JAN 1893)