Nenets languages languages are classified in the Uralic language family, making them distantly related to some national languages spoken in Europe – namely Finnish, Estonian, and Hungarian – in addition to other minority languages spoken in Russia. Both of the Nenets languages have been greatly influenced by Russian. Tundra Nenets has, to a lesser degree, been influenced by Komi and Northern Khanty. Forest Nenets has also been influenced by Eastern Khanty. Tundra Nenets is well documented, considering its status as an indigenous and minority language. It has a literary tradition going back to the 1930s, while Forest Nenets was first written during
Uralic languages published the most complete work on Finno-Ugric to that date. Up to the beginning of the 19th century, knowledge on the Uralic languages spoken in Russia had remained restricted to scanty observations by travelers. Already Finnish historian Henrik Gabriel Porthan had stressed that further progress would require dedicated field missions. One of the first of these was undertaken by Anders Johan Sjögren, who brought the Vepsians to general knowledge and elucidated in detail the relatedness of Finnish and Komi. Still more extensive were the field research expeditions made in the 1840s by Matthias Castrén (1813–1852) and Antal Reguly (1819–1858), who