The monograph is an attempt to recreate the most complete genealogical tree of the Juchids - the oldest branch of the Genghisids, which ruled in the Golden Horde, given the state of sources and research on this problem. Chronologically, the study covers the XIII-XV centuries. an overview of sources and their publications with translations into European languages, source studies and historiography of the problem, including works on the history of the Golden Horde that do not affect genealogies of Genghisides, publications of archaeological and numismatic materials. An attempt was made to create a complete register of the Golden Horde khans.