Western Siouan languages

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Western Siouan
Siouan Proper
Geographic distribution	central North America
Linguistic classification	Siouan Western Siouan
Subdivisions	Missouri River (Crow–Hidatsa) Mandan Mississippi Valley (Central) Ohio Valley (Southeastern)
Language codes
Glottolog	core1249
Pre-contact distribution of the Western Siouan languages

The Western Siouan languages, also called Siouan proper or simply Siouan,^[1] 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.

Linguistic and historical records indicate a possible southern origin of the Siouan people, with migrations over a thousand years ago from North Carolina and Virginia to Ohio. Some continued down the Ohio River, to the Mississippi and up to the Missouri. Others went down the Mississippi, settling in what is now Alabama, Mississippi and Louisiana. Others traveled across Ohio to what is now Illinois, Wisconsin, and Minnesota, home of the Dakota.