Per History of Hancock Co Ga, Vol II by Elizabeth Wiley Smith, Edwina is buried here with Charles.
"...are buried in a private burial place which is surrounded by a brick wall, on land formally owned by him on the outskirts of Sparta, Hancock Co. The Nancy Hart D.A.R. Chapter of Milledgeville, Ga and the Hancock Co Chapter at Sparta placed a Goverment marker on his grave."
Edwina and Charles were married 1769 in Mechlenburg, NC