 1860-72.He was the leader of the Ketahto ("The Barefeet") local group of the Yamparika, probably from the late 1840s.The ethnonym (group name), Yamparika or "Root Eater" Comanche was known to the Spaniards of New Mexico as early as the 1750s, but until about 1790, they were generally north of the Arkansas River and so were seldom specifically mentioned in Spanish documents.