Complex sentence: Born in the village of Antonivtsi, Volhynian Governorate, Russian Empire (now Ternopil oblast, Ukraine), he studied at the Lviv University before his studies were terminated and he was called up for military service in the Polish Army.
Split into simpler sentences: Born in the village of Antonivtsi, Volhynian Governorate, Russian Empire (now Ternopil oblast, Ukraine). He studied at the Lviv University before his studies were terminated and he was called up for military service in the Polish Army.