Stoney—also called Nakota or Nakoda, Isga or Îyethka, and formerly Alberta Assiniboine—is a member of the Dakota subgroup of the Mississippi Valley grouping of the Siouan languages. The Dakotan languages constitute a dialect continuum consisting of Santee-Sisseton (Dakota), Yankton-Yanktonai (Dakota), Teton (Lakota), Assiniboine, and Stoney.