Complex sentence: Evgeny Ustyugov was born in Krasnoyarsk, Soviet Union, on 4 June 1985, to an athletic family; his mother Olga Rudolfovna and father Roman Valeryevich were professional cross-country skier.
Split into simpler sentences: Evgeny Ustyugov was born in Krasnoyarsk, Soviet Union, on 4 June 1985 to an athletic family. His mother Olga Rudolfovna and father Roman Valeryevich were professional cross-country skier.