+--Robert Morrison  (19 FEB 1778-15 FEB 1857)
Hiram Morrison  (13 MAR 1811-18 MAY 1851)
|     +--John Keith  (4 OCT 1688-11 JUN 1761)
|  +--Joseph Keith  (1732-1814)
|  |  |     +--John Washburn  (21 NOV 1621-12 NOV 1686)
|  |  |  +--Samuel Washburn  (25 MAR 1651-24 MAR 1719)
|  |  |  |  |  +--Experience Mitchell  (1609-4 SEP 1689)
|  |  |  |  +--Elizabeth Mitchell  (1629-1 NOV 1681)
|  |  |  |     |  +--Francis Cooke  (26 NOV 1584-7 APR 1663)
|  |  |  |     +--Jane Cooke  (ABT 1604-8 JUN 1666)
|  |  |  |        +--Hester Mahieu  (ABT 1581-18 JUN 1666)
|  |  +--Hannah Washburn  (1689-4 MAY 1766)
|  |     +--Deborah Packard  (1655-1 JUL 1725)
+--Mary (Polly) Keith  (22 JUN 1780-3 JUL 1857)
   +--Chloe Packard  (10 AUG 1735-10 NOV 1832)