Among the indigenous tribes of the southeastern United States, living within a territory roughly defined by the borders of Georgia and South Carolina, was one, exhibiting a type of culture common to the inhabitants of the country bordering on the Gulf of Mexico east of the Mississippi river, whose members called themselves Tsoyabá, “Offspring of
Yuchi Indians. A tribe coextensive with the Uchean family. Recent investigations point strongly to the conclusion that the Westo referred to by early Carolina explorers and settlers, and from whom Savannah river was originally named, were the Yuchi.
Historical Outline of the Five Civilized Tribes
The Creek, Uchean and Seminole in Indian Territory