Question: What founders order's birthplace  is an unincorporated community in Jasper County, it is also located on the historic Sister's Ferry road where the left wing of an American soldier who  served as a general in the Union Army during the American Civil War?
Sentence (from "Robertville, South Carolina"): The community is accessible via U.S. Highway 321 and is located about halfway between Hardeeville and Estill.
Relevant evidence: No