With the Ostrów agreement , this was decided -- Vytautas became the Grand Duke of Lithuania , while Jogaila retained the rights of an overlord . This was resolved with the Ostrów Agreement -- Vytautas became the Grand Duke of Lithuania while Jogaila retained rights of an overlord .
Dengan perjanjian Ostrw, ini telah diputuskan - Vytautas menjadi Duke Besar Lithuania, manakala Jogaila mengekalkan hak-hak seorang tuan. Ini diselesaikan dengan Perjanjian Ostrw - Vytautas menjadi Duke Besar Lithuania manakala Jogaila mengekalkan hak seorang tuan.