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