Ka kammala wannan jumlar: Bisa ga littafin tarihin Niketas Choniates, "Vlachs, waɗanda suka ji jita-jita" game da tserewar Andronikos Komnenus (dan uwan ɗan tawayen Sarkin Byzantine Manuel I), sun kama shi a 1164 a kan iyakar Halych. Choniates ya ba da rahoton cewa Vlachs, Slavs da Cumans suma sun zauna a ƙasashen da ke tsakanin Carpathians da Lower Danube, kuma haɗin gwiwar Vlachs tare da Cumans a kan Daular Byzantine an rubuta shi sosai. A cewar Anna Comnena, Vlachs na gida sun nuna "hanyar ta hanyar wucewa" na tsaunukan Balkan ga Cumans waɗanda suka mamaye ƙasashen Byzantine a kudancin Lower Danube a 1094. Bitrus da Asen, shugabannin
1186 tawaye na Bulgarians da Vlachs a kan mulkin Byzantine, ya haye ƙananan Danube don neman taimako daga Cumans a lokacin rani na 1186 kuma ya dawo "tare da Cuman mataimakan su" don ci gaba da yaƙi. "Cumans, tare da wani ɓangare na Vlachs, suka haye" ƙananan Danube kuma suka mamaye Thrace a 1199.