I am Edward Blankenship's wife Linda and I have the information that you requested. Your grandfather was Lewis Winfield Blankenship Born 8/24/1897 in Bumcombe county NC.
Grandmother-Mary Algeria Dowdle born 01/17/1902 died 02/19/1962.

Great grandfather- Frank Wampler Blankenship born 09/16/1879 died 01/18/1957

Great grandmother- Aroney Roselee (not sure of last name we think she was a Shelton) born 03/04/1881 died 12/01/1949.

I hope this helps. Keep in touch.