+--Davenport Alger 
   +--Jehiel Alger  (1 APR 1805-24 MAY 1857)
   |  |        +--Samuel Morison  (1671-29 SEP 1757)
   |  |        |  +--  
   |  |     +--John Morrison  (1721-1776)
   |  |     |  +--Margaret Henry  (1685-30 APR 1774)
   |  |  +--Samuel Morrison  (5 MAR 1751/52-1802)
   |  |  |  +--Elizabeth Alexander  (ABT 1721-ABT 1811)
   |  +--Mary Morrison  (14 MAR 1783-27 OCT 1854)
   |     +--Mary Roach  (WFT Est 1736-1760-WFT Est 1779-1849)
+--Dewitt C. Alger  (28 MAR 1839-)
|  +--Elizabeth Allen 
Arcelia Alger  (OCT 1864-4 JUN 1869)
+--Emma Brown