+--JOHN BOYER 
+--MICHAEL BOYER  (25 Dec 1746-9 Aug 1810)
HENRY BOYER  (14 Oct 1772-29 Dec 1863)
|     +--JOHN HENRY CLAPPER  (1699-ABT 1760)
|  +--HENRY I CLAPPER  (ABT 1718-1796)
|  |  +--MARY SWANK  (1702-1752)
+--MARGARET CLAPPER  (1749-1790)
   +--CHRISTENA    (ABT 1726-1810)