Who married Oksana Khvostenko?

Oksana Khvostenko (Ukrainian: Оксана Хвостенко) (born November 27, 1977 in Chernihiv) is a Ukrainian biathlete. She is a multiple medalist at the World Championships. In 2008 together with Andriy Deryzemlya she won World Team Challenge.

Vyacheslav Derkach (born 23 June 1976) is a former Ukrainian biathlete.