In what year did the last fluent speaker of the language spoken by the Okehocking Tribe die?
Okehocking people: The Okehocking Tribe (also known as Ockanickon) was a small band of Unami language-speaking Delaware Indians, who occupied an area along the Ridley and Crum creeks in Chester County, Pennsylvania. Unami language:  The last fluent speaker in the United States, Edward Thompson, of the Delaware Tribe of Indians, died on 31 August 2002.
i don't know