The Manhasset indians spoke the Munsee and Unami languages.
Caddoan
Algonquian!
Sioux
Sourashtian
english.
algonquon
english.
Iroquian and/or Ojibway
Algonqulan Or Algonkian
They spoke Caddoan
The Confederacy is made up of 6 Nations; Onondaga, Cayuga, Seneca, Oneida, Mohawk and Tuscarora; they all speak their own languages.