+--William MARCHMENT  (ABT 1725-AFT 1788)
+--Charles MARCHMENT  (1750-1806)
|  +--_______ RILEY  (12 JUL 1701-1744)
James MARCHMAN  (ABT 1780-5 NOV 1826)
+--Tabitha BARNES  (1743-28 JUN 1834)