There's a TN marriage record for George GIBSON to Ellen BERTRAM on 6-Aug-1893 in Scott Co, TN.
In the 1910 census there's a Solomon GILES, wife Ellen and the following GIBSON stepchildren:Elmer, 12, Alvin, 16, Erwin, 7, and Elsie, 4.Ellen was born in KY abt. 1878.Alvin was born in KY and the other children in TN.It states that their father was also born in KY.
The 1900 census for Morgan Co, TN: BERTRAM, Albert L. b. Feb 1847 in KY, married 35 yrs, both parents b. KY wife Sarah J. b. Mar 1847 in KY, 12 children born, 11 children living, both parents b. KY dau GIBSON, Mary b. Oct 1878 in KY, married 5 yrs, 2 children born, 2 children living grandson GIBSON, Elmer b. Mar 1897 in TN grandson GIBSON, Wheeler M. b. Jan 1900 in TN dau COOK, Clora E. b. June 1880 in TN, married 5 yrs. grandson COOK, Emit R. b. Jan 1896 in TN granddau COOK, Mary J. b. Nov 1899 in TN son BERTRAM, Stevan b. Apr 1882 in KY son BERTRAM, John M. b. Sept 1885 in KY son BERTRAM, William D. b. Oct 1888 in TN son BERTRAM, Nathen H. b. Nov 1890 in TN son BERTRAM, Chas. S. b. Feb 1892 in TN
There's a user submitted tree for this family here: https://familysearch.org/pal:/MM9.2.1/SBWP-49B