Siouan
18 languages
Siouan is a language family of 18 languages; the most are spoken in United States and Canada.
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Siouan ( SOO-ən), also known as Siouan–Catawban ( SOO-ən kə-TAW-bən), is a language family of North America located primarily in the Great Plains, Ohio and Mississippi valleys and southeastern North America with a few other languages in the east.
From Wikipedia · Siouan languages · CC BY-SA 4.0