The Tsezic languages form one of the seven main branches of Northeast Caucasian language family

Northeast Caucasian languages

The Northeast Caucasian languages constitute a language family spoken in the Russian republics of Dagestan, Chechnya, Ingushetia, northern Azerbaijan, and in northeastern Georgia, as well as in diaspora populations in Russia, Turkey, and the Middle East...

. It branches into Tsez–Hinukh and Bezhta–Hunzib–Khwarshi, according to the latest research. They were formerly classified geographically into East Tsezic (Hinukh

Hinukh language

The Hinukh language is a Northeast Caucasian language of the Tsezic subgroup. It is spoken by about 200 to 500 people, the Hinukhs, in the Tsunta district of southwestern Dagestan, mainly in the village of Genukh...

, and Bezhta

Bezhta language

The Bezhta language , also known as Kapucha , belongs to the Tsezic group of the North Caucasian language family...

) and West Tsezic (Tsez

Tsez language

Tsez, also known as Dido is a Northeast Caucasian language with about 15,354 speakers spoken by the Tsez, a Muslim people in the mountainous Tsunta district of southern and western Dagestan in Russia. The name is said to derive from the Tsez word for "eagle", which is most likely a folk etymology...

, Khwarshi

Khwarshi language

Khwarshi, also spelled Khvarshi, is a Northeast Caucasian language spoken in the Tsumadinsky-, Kizilyurtovsky- and Khasavyurtovsky districts of Dagestan by the Khwarshi people. The exact number of speakers is not known, but the linguist Zaira Khalilova, who has carried out fieldwork in the period...

, and Hunzib

Hunzib language

Hunzib is a Northeast Caucasian language spoken by about 1840 people in southern Dagestan, near the Russian border with Georgia.-Classification:...

).
The Avar language

Avar language

The modern Avar language belongs to the Avar–Andic group of the Northeast Caucasian language family....

 serves as the literary language for speakers of Tsezic languages.

Internal branching

Schulze (2009) gives the following family tree for the Tsezic languages:

• Tsez–Hinukh
  • Tsez
    Tsez language
    Tsez, also known as Dido is a Northeast Caucasian language with about 15,354 speakers spoken by the Tsez, a Muslim people in the mountainous Tsunta district of southern and western Dagestan in Russia. The name is said to derive from the Tsez word for "eagle", which is most likely a folk etymology...
    
     (15,400)
  • Hinukh
    Hinukh language
    The Hinukh language is a Northeast Caucasian language of the Tsezic subgroup. It is spoken by about 200 to 500 people, the Hinukhs, in the Tsunta district of southwestern Dagestan, mainly in the village of Genukh...
    
     (550)
• Bezhta–Hunzib–Khwarshi
  • Bezhta
    Bezhta language
    The Bezhta language , also known as Kapucha , belongs to the Tsezic group of the North Caucasian language family...
    
     (6200)
  • Hunzib
    Hunzib language
    Hunzib is a Northeast Caucasian language spoken by about 1840 people in southern Dagestan, near the Russian border with Georgia.-Classification:...
    
     (1840)
  • Khwarshi
    Khwarshi language
    Khwarshi, also spelled Khvarshi, is a Northeast Caucasian language spoken in the Tsumadinsky-, Kizilyurtovsky- and Khasavyurtovsky districts of Dagestan by the Khwarshi people. The exact number of speakers is not known, but the linguist Zaira Khalilova, who has carried out fieldwork in the period...
    
    (1870)

Figures retrieved from Ethnologue.