+--JOHN HENRY CLAPPER (ABT 1768-1809) +--JACOB CLAPPER (ABT 1789-1865) | +--JULIANNA (-1817) LEWIS CLAPPER (12 Jan 1816-) | +--LEWIS KEISTER +--EVA SUSANNA KEISTER (2 Jul 1798-21 Feb 1867) +--CATHERINE MARGARETHA