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.
Monacan people
The contemporary Monacan people claim descent from the historic Monacan tribe, first recorded in 1607 in Virginia. They originally spoke a Siouan language and were related to other Siouan-speaking tribes, such as the Tutelo, Saponi and Occaneechi. Today the people speak English.