Siouan languages
Siouan languages can be grouped into the Western Siouan languages and Catawban languages. The Western Siouan languages can be divided into Missouri River languages (such as Crow and Hidatsa), Mandan, Mississippi River languages (such as Dakotan, Chiwere-Winnebago, and Dhegihan languages), and Ohio Valley Siouan branches. The Catawban languages consist only of Catawban and Woccon.
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.