Pedzisa mutsara unotevera: Paakafa muna 1227, Genghis Khan akakamura Umambo hweMongolia pakati pevanakomana vake vana kuti vave mapoka, asi Umambo hwakaramba hwakabatana pasi pomutongi mukuru. Jochi akanga ari dangwe, asi akafa mwedzi mitanhatu Genghis asati afa. Nzvimbo dzokumadokero dzaigara vaMongol, dzaisanganisira dzokuchamhembe kweRussia neKazakhstan, dzakapiwa vanakomana vakuru vaJochi, Batu Khan, uyo akazova mutongi weBlue Horde, uye Orda Khan, uyo akava mutungamiriri weWhite Horde. Muna 1235, Batu nomukuru mukuru Subutai vakatanga kupinda kumadokero, kutanga vakakunda vaBashkirs uye
ndokuzoenda kuVolga Bulgaria muna 1236. Achibva ikoko, akakunda mamwe matunhu aiva kumaodzanyemba kwenyika yava kunzi Ukraine muna 1237, achimanikidza vaCuman vakawanda kuti vadzokere kumadokero. Kurwisa kwevaMongol vaKypchaks nevaCuman kwakanga kwatotanga kare pasi paJochi naSubutai muna 1216<unk>1218 apo vaMerkits vakagara pakati pavo. Pakazosvika 1239 chikamu chikuru chevaCuman chakadzingwa muCrimea, uye yakava imwe yenzvimbo dzaitongwa noUmambo hweMongolia. Vakasara vevaCuman vokuCrimea vakapukunyuka mumakomo eCrimea, uye nokufamba kwenguva vaizosanganiswa nemamwe mapoka muCrimea (kusanganisira vaGiriki, vaGoth, uye vaMongol) kuti vaumbe vanhu vechiCrimean Tatar. Achienda kuchamhembe, Batu akatanga kupinda kwevaMongol muRus' uye akapedza makore matatu achidzvinyirira madzishe ekare eKievan Rus', nepo hama dzake Möngke, Kadan, naGüyük vakatamira kumaodzanyemba kuAlania.