The Powhatan people spoke Powhatan or Virginia Algonquian, an extinct language belonging to the Eastern Algonquian subgroup of the Algonquian languages.
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I believe they spoke Algonquian
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The Innu speak:
English
French
Innu-aimun (an algonquian language spoken by about 10,000 people)
Naskapi (an algonquian language spoken by about 1200 people)