Mator or Motor is a Uralic language. It belongs the the southern group of the Samoyedic languages. The other southern Samoyedic languages include Selkup and Kamassian. Geographical distribution of Samoyedic, Finnic, Ugric and Yukaghir languages The Uralic languages form a language family of about 30 languages spoken by approximately 20 million people. ... Geographical distribution of Samoyedic, Finnic, Ugric and Yukaghir languages The Samoyedic languages are spoken on both sides of the Ural mountains, in northernmost Eurasia, by perhaps 30,000 speakers altogether. ... Selkup language (Селькупский язык in Russian) is a language of the Selkups. ... Kamassian is a Uralic language. ...

History

Mator is extinct since the 1840's. It was spoken in the northern region of the Sayan mountains in Siberia close to the Mongolian north border. The speakers of Mator lived in a wide area from the eastern parts of the Minusinsk (Минусинск) region along the Yenisei River to the region of Lake Baikal. The Sayan Mountains are a mountain range of Asia, forming the eastern continuation of the Sailughem or Altai range, stretching from 89° E. to 106° E. Orographically they are the N border-ridge of the plateau of NW Mongolia, and separate that region from Siberia. ... Siberia Siberia (Russian: , common English transliterations: Sibir, Sibir; possibly from the Mongolian for the calm land) is a vast region of Russia and northern Kazakhstan constituting almost all of northern Asia. ... Енисей Length 5,550 (4,102) km Elevation of the source m Average discharge 19,600 m³/s Area watershed 2,580,000 km² Origin  ? Mouth Arctic Ocean Basin countries Russia The Yenisei basin, Lake Baikal, and the cities of Dikson, Dudinka, Turukhansk, Krasnoyarsk, Irkutsk Yenisei (Енисе́й) is a river... Lake Baikal The Yenisei River basin, Lake Baikal, and the cities of Dikson, Dudinka, Turukhansk, Krasnoyarsk, Irkutsk Lake Baikal (Russian: О́зеро Байка́л (Ozero Baykal)), a lake in southern Siberia, Russia, between Irkutsk Oblast on the northwest and Buryatia on the southeast, near Irkutsk. ...