Nyorera kupfuurira kweiyi ndima - Chechi yeOrthodox yakaisa diocese yeTenedos pasi pemetropolitanate yeMytilini mukati mezana ramakore rechipfumbamwe, ndokuisimudzira kumetropolitanate yayo pakutanga kwezana ramakore regumi nemana. Panguva iyi Tenedos yakanga yava chikamu cheUmambo hweByzantium asi nzvimbo yaro yakaita kuti ive chinhu chinokosha chevaVenetian, vaGenoese, uye Umambo hweOttoman. Umambo hweByzantium hwakanga husisina simba uye hondo dzairwiwa pakati peGenoa neVenice dzokutsvaka nzira dzokutengeserana dzakaita kuti Tenedos ive nzvimbo inokosha. Muna 1304, Andrea Morisco, mumwe murume wokuGenoa aifamba achitsvaka mafaro, achitsigirwa nezita rokuremekedza raibva kuna mambo weByzantium Andronikos III, akatora Tenedos. Gare gare, kunzwa kunetsekana kwezvematongerwe enyika muumambo hweByzantium nguva pfupi Hondo yechipiri yeVagari veByzantium isati yatanga
Muna 1350, vaVenetian vakapa John V Palaiologos mari inosvika zviuru makumi maviri kuti atonge Tenedos. Apo John V akabatwa muhondo yevagari vemo yeByzantine, akaendeswa kuTenedos naJohn VI Kantakouzenos.