In the 1900 census, William D and Lucy are living in Peavine, Walker Co., GA:
Rosser, William D, head, b June 1835, 64; m 43 years; farmer
Lucy J., wife, b July 1837, 62, 7 births, 6 living
William A., son, b Oct 1866, 33, school teacher
Harry E., son, b Sep 1874, 25, farmer
Mark E., son, b Apr 1877, 23, farmer
A possible location for Edgar is the Ed Rasser in Ty Ty Colquitt, Georgia, b May 1877, 23, single, a teamster (boarding in the home of another, slightly older, teamster, John Morgan.