+--JOHN HENRY CLAPPER  (1699-ABT 1760)
      +--HENRY I CLAPPER  (ABT 1718-1796)
      |  +--MARY SWANK  (1702-1752)
   +--HENRY I CLAPPER, JR  (ABT 1750-4 May 1813)
   |  +--CHRISTENA    (ABT 1726-1810)
+--JOSEPH N CLAPPER  (27 Nov 1808-5 Jun 1879)
|  |  +--ABRAHAM NICEWONGER 
|  +--EVE NICEWONGER  (ABT 1754/1760-)
HENRY S CLAPPER  (1848-1915)
+--BARBARA STRAYER  (ABT 1814-BEF 1908)