Posted on: Anderson County, SC Queries Reply Here: http://genconnect.rootsweb.com/gc/USA/SC/Anderson/12055 Surname: Williamson ------------------------- Seeking information on Col. Williamson who was in command of militia against the Cherokee Indians circa 1777 in the Rocky River area of Abbeville District that may be present day Anderson County. Officers included in this campaign were Captain Robert Anderson and Maj. Andrew Pickens.