Looking for John Roberson Freeman He was Raised by His Grandmother Han

Looking for John Roberson Freeman.He was raised by his GrandMother Hannah (Wilcoxson)Freeman in Giles Co.TN. Hannah may hav adopted him, after the death of his father David"SOLOMON" Freeman who died (murdered?) in a Well.His Mother s unknown to me.John R. may have been called Robert Freeman. born about 1849-1854 in TN. Where did he go after 1770 census??