Man at left, on horseback, identified as Arthur Simpson (brother of W.S. Simpson, DuPont employee). Man at right with gun cradled in arms is identified as Robert Divinnell.
William Whitaker & Sons, Inc. (associated name), Whitaker, Ann (Lord), 1814-1890 (associated name), Whitaker, Mary Emma (McDaniel), 1864-1933 (depicted), Whitaker, William, 1813-1878 (associated name)