hiː bᵻlˈɔŋd tə ðə kˌoːɹɪɐtˈoʊvɪtʃ dˈaɪnɐsti ænd ðiːz lˈændz wɜː dᵻpˈɛndənt ɔnðə ɡɹˈænd dˈuːk ʌv lˌɪθjuːˈeɪniə lˈɪjuːbˌɑːɹɾəz, hˈuːm dˈiːmˈɪtɹoʊ kˌoːɹɪɐtˈoʊvɪtʃ sˈɜːvd æz ɐ vˈæsəl.
He belonged to the Koryatovych dynasty and these lands were dependent on the Grand Duke of Lithuania Liubartas, whom Dmytro Koryatovych served as a vassal.