Ka cika wannan magana: A farkon ƙarni na 14, bayan mutuwar Boleslaw-Yuri II na Galicia, Sarkin Rus, aka soma yaƙi don a ci sarautarsa. Daga ƙarshe Yarima Yuri, ɗan Narimantas (Jerzy Narymuntowicz) na Grand Duchy na Lithuania ya gaji Duke. Lokacin mulkin Yuri na Belz (1340-1377) ya ga
Galician-Volhynia Wars; An kewaye Belz sau da yawa (a cikin 1351, 1352 da 1355). Daga 1378 zuwa 1387 ya fada cikin tasirin tasirin Masarautar Hungary, kamar yadda a cikin 1377 Louis I na Hungary ya kama Belz; tsawon shekaru da yawa, yarima Władysław Opolczyk ne ke mulkin daular a cikin sunan Louis. A wannan lokacin, Poland ta kasance cikin ɗan gajeren lokaci tare da Hungary, amma a cikin 1387, bayan ƙarshen ƙungiyar, Sarauniya Jadwiga ta Masarautar Poland ta ɗauki Belz.