Mezue ahịrịokwu na-esonụ: Kaloyan ma ọ bụ Kalojan (), nke a makwaara site na aha Vlach ya bụ Johannitsa ma ọ bụ Ioannitsa (1170 <unk> Ọktoba 1207), bụ Tsar nke Bulgaria site na 1196 ruo 1207. Ọ bụ nwanne nwoke nke Theodor na Asen bụ onye duziri
nnupụisi nke ndị Bulgarian na Vlachs (proto-Romanians nke Balkan) na 1185. Ọgba aghara ahụ biri mgbe mba Bulgaria nwetaghachiri nnwere onwe ya. Ọ nọrọ ọtụtụ afọ dịka onye eji eji na Constantinople na ngwụcha afọ 1180. Theodor (bụ́ onye e chiri eze ukwu n'aha Peter) mere ya onye ya na ya ga-achị mgbe e gbusịrị Asen na 1196. Mgbe otu afọ gasịrị, e gburu Theodor-Peter, Kaloyan ghọkwara onye ọchịchị nanị ya na-achị Bulgaria.