 They were the last four head Oglala shirtwearers.In the 1930s, the official interpreter at the Pine Ridge Agency stated that Young Man Afraid of His Horses was the only one of the four who kept his shirt until his death.It appears that both Young Man Afraid of His Horses and his father signed the Treaty of Fort Laramie of 1868 which ended Red Cloud's War, but they had no intention of leaving their Powder River hunting grounds to permanently settle on the Great Sioux Reservation, at least initially.