Complex sentence: Born in Poltava province to a family of a railroad engineer he moved to Kharkiv in 1911 where he completed his studies at the Institute of Grain Culture and was employed as an agronomist.
Split into simpler sentences: Born in Poltava province to a family of a railroad engineer his family moved to Kharkiv in 1911. In Kharkiv he completed his studies at the Institute of Grain Culture and was employed as an agronomist.