Siouan languages
Siouan or Siouan–Catawban is a language family of North America that is located primarily in the Great Plains, Ohio and Mississippi valleys and southeastern North America with a few other languages in the east.
Taivoan language
The Taivoan language used to be regarded as a dialect of Siraya. However, more evidences have shown that it belongs to an independent language spoken by the Taivoan people.