Genealogy:
Demographics: No known L1 speakers. The last fluent speaker died in 1983 (Golla 2007).
Language Development: Grammar.
Nation of Origin: United States
Other Comments: Confederated Tribes of the Siletz Reservation adopted Deene, a standardized form of Oregon Athabaskan based on Tolowa , rather than Tututni, as the heritage language of the group.