Western Siouan languages
The Western Siouan languages, also called Siouan proper or simply Siouan, are a large language family native to North America. They are closely related to the Catawban languages, sometimes called Eastern Siouan, and together with them constitute the Siouan (Siouan–Catawban) language family.
Kansa language
Kansa is a Dhegiha Siouan language, a broader category containing other languages such as Quapaw, Omaha, Ponca and Osage. This group of language falls under Mississippi Valley Siouan, which is grouped under the largest category of The Siouan Language Family.