Siouan languages
Siouan languages can be grouped into the Western Siouan languages and Catawban languages. The Western Siouan languages can be divided into Missouri River languages (such as Crow and Hidatsa), Mandan, Mississippi River languages (such as Dakotan, Chiwere-Winnebago, and Dhegihan languages), and Ohio Valley Siouan branches. The Catawban languages consist only of Catawban and Woccon.
Sika people
The Sika (also Sikanese, Sikka or Sara Sikka) people are an Indonesian ethnic group native to the region of east central Flores between the Bloh and Napung Rivers. In the city of Maumere, the center of the region, Sika people occupy a separate block. The Sika language, which is a member of the Timor-Ambon language family, is spoken by the Sika people. The Sika language have at least three recognized dialects, namely "Sikka Natar" dialect, "Sara Krowe" dialect and "Ata Tana 'Ai" or "Sara Tana 'Ai" dialect.