Here are some to check out on familysearch, maybe you'll find the connection. The informant on William Earley Bennetts death record is "Lump" Bennett, and Wm and Lucy have a son named Lumpkin on the 1880 Census.
Georgia, Marriages
https://familysearch.org/pal:/MM9.1.1/FWHN-D31
groom William E. Bennett
bride Lucy G. Short
marriage 20 Dec 1866 Jackson, GA
U S Census, 1880 District 912, Banks, GA
https://familysearch.org/pal:/MM9.1.1/M8L4-JD7
self William E. Bennet M 35 abt 1845 GA
wife Lucy G. Bennet F 37 abt 1843 GA
son Carnnielaus Bennet M 9 GA
dau Emma D. Bennet F 3 GA
son Lumkin Bennet M 1 GA
Georgia Deaths
https://familysearch.org/pal:/MM9.3.1/TH-66-11198-185-50?cc=1385727&wc=6040318
William Earley Bennett
Residence Rt 1, Murrayville, GA
death : 24 Apr 1928 Guillians, Hall, GA
burial Bethel Berry Ch., 4/26/1928
Male White Widowed
death age: 81 years 11 months
birth 09 May 1846 Jackson Co., GA
father's name: Ase C Bennett birthplace Jackson Co., GA
Informant Lump Bennett
U S Census, 1860 Madison, GA page: 142 family number: 38 Possibly Lucy?
https://familysearch.org/pal:/MM9.1.1/MZMX-685
Mary A Short F 41 abt 1819 GA
George L Short M 12 abt 1848 GA
Archabald Short M 53 abt 1807 GA
James H Short M 21 abt 1839 GA
Lucy G Short F 17 birth abt 1843 GA
Archabald F Short M 16 abt 1844 GA
Nathan H Short M 15 abt 1845 GA
Nathan H Short F 10 abt 1850 GA
Edward Y Short M 8 abt 1852 GA
Nancy G A Short F 5 abt 1855 GA