 In August 1861 Ten Bears (likely being himself the chief named as “Bistevana”) signed the Fort Cobb Treaty with gen. Albert Pike, the Confederate Indian Commissioner, sanctioning an alliance with the “Gray Jackets”.In 1863, along with a delegation of Western Indians, including Southern Cheyennes, Southern Arapahoes, and Kiowas, Ten Bears visited Washington, but he was unable to get any major concessions for his people from the U.S. government.In November 1864, Ten Bears was the chief of the Yamparika Comanches nearest the ruins of the Bent brothers' old adobe trading post (the first Adobe Walls, Texas, built ca 1840) when troops under Col. Christopher 'Kit' Carson attacked a nearby Kiowa village .