You & I are in luck! The James Warren Mobley you've found is my grandfather! The birthdate that we have for him is November 8th but all the siblings you have listed all appear to be correct. We have photos of James Warren as well as my Aunt Fannie and other siblings.
I will give some info that I have as of now and will follow up with additional info.
James Warren Mobley married Eva Louise Morin in August 1928.
Daughter #1 Audrey born 1929 married a William Fitts of Northern Virginia. (died 1979)
Their children: William, James, Mike
Daughter #2 Eleanor born 1931 married to Wally Gore (divorced) 1960's
Their children: Terry Lee (female), Douglas
Eleanors second husband: Larry Downs (divorced) 1970's
Their children: Daryl, Stacy (female)
Daughter #3 Karen born 1939 married Howard Hicks of Virginia in 1958.
Their children: Howard, Marty (female)
Daughter #4 Janet born 1940 married to William A. Wine of Virginia in 1957.
Their children: William W. (myself), Lawrence, Lori (female), Ann (female)
Daughter #5 Carol born 1945 married to Tony De Santis (divorced 1979)of Virginia in 1969.
Their children: Kristen (female)
Carols second husband: Eric Bayuk of Northern Virginia.