Including this First Nations tribe located in Maine, how many are linked in a confederation?
Penobscot The Penobscot ("Panawahpskek") are an indigenous people in North America with members who reside in the United States and Canada. They are organized as a federally recognized tribe in Maine and as a First Nations band government in the Atlantic provinces.
Cayuga Nation of New York The Cayuga Nation of New York is a federally recognized tribe of Cayuga people, based in New York, United States. Other organized tribes with Cayuga members are the federally recognized Seneca-Cayuga Tribe of Oklahoma and the Canadian-recognized Six Nations of the Grand River First Nation in Ontario, Canada.