Chiwere speakers are Native American tribes that speak the Chiwere language, which is a Siouan language. The Iowas, Otoes, and Ioway are three of the tribes that are part of the Chiwere speakers. The Iowas are a Native American tribe that originally lived in what is now Iowa, Minnesota, and Nebraska. The Otoes are a Native American tribe that originally lived in what is now Nebraska, Kansas, and Oklahoma. The Ioway are a Native American tribe that originally lived in what is now Iowa, Missouri, and Kansas.