From what I had read, the Bukharan jews date back over 2000+ years and some traditional accounts are that they are descended from Naphtali
Well, live and learn. I never knew. So that makes three known lost tribes. The Bnei Menashe are now in Israel from Northeastern India. The Bnei Dan are here from Ethiopia, and now we have Bnei Naftali from Uzbekistan and Samarkand.