Siouan languages
Also known as: Siouan languages
Siouan, also known as Siouan–Catawban, 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.
Connections1
linguistic family classification
Osage is a member of the Dhegihan branch of the Siouan language family, which provides the historical and structural context for its development.