 Ramba uchiverenga ndima ino - Mushure mekudonha kweConstantinople nekugadzwa kweLatin Empire muna 1204, mwanakomana waJohn Doukas asiri pamutemo, Michael I Komnenos Doukas, akatanga Despotate yeEpirus, achisarudza guta reArta sedhorobha rayo. Muna 1224, munununa waMichael wokubereka naye Theodore akatora Umambo hweTesaronika kubva kumauto echiKristu uye akazviti ndiye mambo weByzantium basileus wechokwadi muTesaronika. Zvisinei, Theodore akakundwa ndokutorwa naJohn II Asen muHondo yeKlokotnitsamuna 1230, uye Umambo hweThessalonica hwakakurumidza kuderera. Mukati mokutapwa kwaTheodore, munununa wake Manuel akatonga pamusoro peTesaronika, akatsiviwa navanakomana vaTheodore John naDemetrios. Pakupedzisira, guta racho rakarasikirwa namambo weNicaean John III Doukas Vatatzes muna 1246, kuchiratidzira mugumo wokutonga kwaAngeloi muTesaronika. 