ɪɾ ɪz pˈɑːsᵻbəl ðæt hiː fˈaʊndᵻd ðə bˈɑːbɹɑːk kˈæsəl ˌɔn ðiːz lˈændz, wˌɪtʃ lˈeɪɾɚ ɡˈeɪv ɹˈaɪz tə ðə tˈaʊn ʌv baɪbˈoːɹkə.
It is possible that he founded the Bobrok Castle on these lands, which later gave rise to the town of Biborka.