In what part of Ohio are these Burkheads? I have Llewellyn Burkhead, (45th OH infantry, Co. A) b. Dec 1839 in VA, d. 1909 in Pickaway Co. I think he had a brother named Curtis, but I can't find his parents. The descendants of Llewellyn lived mostly in Preble Co. and my husband is descended from them. Any ideas?