+--JOHN HENRY CLAPPER  (1699-ABT 1760)
   +--HERMANUS CLAPPER  (1734-1815)
   |  +--MARY SWANK  (1702-1752)
+--DANIEL CLAPPER  (9 May 1772-1 Aug 1847)
|  +--CATHARINE    (ABT 1737-AFT 1782)
EMANUEL CLAPPER  (1820-1899)
|  +--ADAM LOWER 
+--CATHERINE LOWER  (ABT 1773-27 Sep 1853)
   +--ELIZABETH KEISER