The Blackfoot Confederacy or Niitsítapi (meaning "original people"; c.f. Ojibwe: Anishinaabeg and Quinnipiac: Eansketambawg) is the collective name of three First Nations in Alberta and one Native American tribe in Montana.The Blackfoot Confederacy consists of the North Peigan (Aapátohsipikáni), the South Peigan (Aamsskáápipikani), the Kainai Nation (Káínaa: "Blood"), and the Siksika Nation ("Blackfoot") or more correctly Siksikáwa ("Blackfoot people"). The South Peigan are located in Montana, and the other three are located in Alberta. Together they call themselves the Niitsítapi (the "Original People"). These groups shared a common language and culture, had treaties of mutual defense, and freely intermarried.