Ohio Valley Siouan languages

The Ohio Valley Siouan languages, also called the Southeastern Siouan languages, are a subfamily of the Siouan-Catawban language family spoken far to the east and south of the Mississippi River. The subfamily comprises three now-extinct languages: Ofo and Biloxi, historically spoken in the lower Mississippi River valley, and Tutelo, historically spoken in Virginia. The name reflects a hypothesized origin along the Ohio River, though historically only Tutelo and the related Saponi were found in that area; evidence suggests these speakers may have moved east to the Roanoke River region before European contact, while Biloxi and Ofo speakers remained in the southern Mississippi valley.