+--CHESTER MORRIS GALLATIN 
THELMA D GALLATIN  (2 Nov 1904-)
|           +--JOHN HENRY CLAPPER  (ABT 1768-1809)
|        +--HENRY CLAPPER  (ABT 1784-13 Jan 1837)
|        |  +--JULIANNA    (-1817)
|     +--SAMUEL CLAPPER  (Sep 1824-2 Jan 1911)
|     |  |  +--JOSEPH CHAPMAN 
|     |  +--ELIZABETH CHAPMAN  (ABT 1784-1831/1834)
|     |     +--ISABELLA   
|  +--JOHN D CLAPPER  (ABT 1855-)
|  |  |  +--JOHN WILSON  (ABT 1792-)
|  |  +--SUSAN MARGARET WILSON  (10 Nov 1826-18 Apr 1887)
|  |     +--AVIS    (ABT 1790-)
+--MAUD M CLAPPER  (22 Mar 1885-31 Oct 1958)
   |  +-- BORKS 
   +--ISADORA BROOKS  (Nov 1858-)
      +-- ?