Аннотация:The earliest existing written evidence about Alans – people of Ponto-Caspian steppes and Caucasus region of I-XIII century AD – is found in the works of Chinese authors who mention the politonym "Yancai" in the "Records of the Grand Historian" and in the "History of the Former Han", and of European antique authors in the middle of the 1st century AD. Genetic data of the early Middle Ages Alans and their affinities to the Scythian-Sarmatian tribes, traditionally considered as their ancestors, as well as to the modern population of Europe and the Caucasus have not yet studied thoroughly, the whole genome data exists for only 6 individuals [1]. In this study we have analyzed ancient DNA of 27 individuals from 3 different archeological site belonging to the Alan culture from the III-XIII century AD, from the territory of the North Caucasus (Russian Federation).