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.
Sion, Switzerland
Most of the population () speaks French (22,338 or 82.2%) as their first language, German is the second most common (1,523 or 5.6%) and Portuguese is the third (912 or 3.4%). There are 855 people who speak Italian and 19 people who speak Romansh.