+--Richard Mercer  (-29 APR. 1671)
+--Abiel Mercer  (27 DEC 1670-6 AUG 1756)
|  |  +--Theophis Shatswell  (-17 AUG. 1663)
|  +--Hannah Shatswell  (5 AUG. 1651-DEC. 1670?)
|     |  +--Edward Bosworth  (-1634)
|     +--Susannah Bosworth  (-1672)
|        +--?   (-18 MAY 1648)
Nathaniel Messer  (5 SEP 1704-12 JUNE 1775)
|     +--George Marsh  (-2 JUL 1647)
|  +--Onesephorus Marsh  (1630-15 MAY 1713)
|  |  +--Elizabeth Key 
+--Abigail Marsh  (21 FEB 1671-3 MAR 1761)
   |  +--John Cutler 
   +--Hannah Cutler  (-17 MAR 1686)
      +--Mary ______