 Nyorera kuenderera kweiyi ndima - Chero zvazvingaitika, aive mumwe wevakuru vane simba pasi paDusan, uye akaisa simba rakakura paari, sezvakaratidzwa muhurukuro muna Chikunguru 1342 izvo zvakatungamira kuchisarudzo chekutsigira John VI Kantakouzenos muhondo yevagari vemuByzantine ya13411347, mukutsinhana kwaaitarisira kuroora mwanasikana wake kuna Manuel Kantakouzenos. Akanga achishandawo muhondo ya1334 neByzantine Empire, uye aivepo panguva yekutaurirana kwerunyararo pamwe chete naVratko Nemanjić, apo Jovan angangodaro akatumidzwa zita rekuti despotes naAndronikos III Palaiologos. Nekufa kwaHrelja mukupera kwa1342, apo nzvimbo yekupedzisira yakakamurwa pakati paJovan Oliver naDusan, akakwanisa kuwedzera nyika dzake, kusanganisira maguta akakosha eStip neStrumica. 