Nyora kupfuurira kweiyi ndima - Fedir akagara nhaka Navahrudak Castle kubva kuna baba vake. Mushure mekunge Grand Duchy yeLithuania yawana Podolia semhedzisiro yekukunda kwakasimba kurwisa Golden Horde paHondo yeBlue Waters
Muna 1362, iye nevanun'una vake vatatu vakagadzwa naMukuru Duke Algirdas kuti vatungamirire nharaunda yacho. Pashure pokunge wokupedzisira wehama dzake afa munenge muna 1389, akaramba ari mutongi wePodolia kwemakore matatu kusvikira aendeswa kune imwe nyika naGreat Duke Vytautas the Great.