Guta racho rakaita basa rinokosha muhondo dzevagari vomunyika yeByzantium dzepakati pezana remakore rechi14. Muna 1344, panguva yehondo ya1341<unk>1347, guta rakasimbiswa kwazvo rakapambwa naJohn VI Kantakouzenos (r. 1341<unk>1354), uyo akagadza mwanakomana wake Mateo kuti atonge pamusoro paro uye purovhinzi yakapoteredza. Gratzianous akaramba ari chigaro chaMateo nemhuri yake kusvikira muna 1355/56, apo, pashure pehondo yevagari vemo
, akaibvisa pamwe chete nenzvimbo dzake dzose dzeThracian kuna John V Palaiologos (r. 1341<unk>1391) mukutsinhana neDespotate yeMorea.