The ancestors of the modern day Mashantucket Pequot Tribe lived in what states?
Montaukett:  They are related in language and ethnicity to the Pequot and Narragansett peoples who lived across Long Island Sound in what is now Connecticut and Rhode Island. Pequot:  Modern Pequot and their descendants are members of the federally recognized Mashantucket Pequot Tribe, four other state-recognized groups in Connecticut, and the Brothertown Indians of Wisconsin.
Connecticut and Rhode Island