Mezue ahịrịokwu na-esonụ: Kaloyan bụ nwanne nwoke nke Theodor na Asen, a maara dị ka ndị na-akpali nke
nnupụisi nke ndị Bulgaria na Vlachs (nke ikpeazụ bụ ndị Balkan Romanians) megide Alaeze Ukwu Byzantine na 1185. E chiri Theodor eze ukwu ma kpọọ ya Peter n'afọ 1185. Asen ghọrọ onye na-eso Peter chịa tupu 1190. Ha nwetara nnwere onwe nke alaeze ha site n'enyemaka nke ndị agha Cuman si n'ọzara Pọntọs.