(1921-)
+---William Harvey Cook (1943-)
| | +---Andrew Druett Manning (1811-)
| | +---Reuban Andrew Manning (-1938)
| | | +---Nancy Ree Knowles 
(1829-1853)
| | +---Reuben Robert Manning
| | | +---Mary Josephine Stanton
| +---Bessie Mae Manning (1928-)
| +---Bessie Lee Snider (-1961)
William Harvey Cook (1970-)
+---Sandra Faye Howington (1944-)