Tuhia he whakamāramatanga mō tēnei wāhanga - I riro i a Fedir a Navahrudak Castle mai i tōna pāpā. Whai muri i te whiwhinga o te Grand Duchy o Lithuania ki Podolia hei hua o te wikitoria nui ki te Golden Horde i te Pakanga o Blue Waters
I te tau 1362, ko ia me ona tuakana tokotoru i tohua e Grand Duke Algirdas ki te whakahaere i te rohe. Whai muri i te matenga o tana tuakana whakamutunga i te 1389, ko ia anake te kaiwhakahaere o Podolia mo nga tau e toru tae noa ki tana whakaraunga e te Grand Duke Vytautas the Great.