Shevchenko Sisters' Background and UFC Careers Antonina and Valentina Shevchenko are sisters who both compete in the flyweight division of the UFC. Antonina Shevchenko, the elder sister, was born on November 20, 1984, while Valentina Shevchenko, the younger sibling, was born on March 7, 1988. Their mother, Elena Shevchenko, is the president of Kyrgyzstan's national Muay Thai Association and a former Muay Thai champion, and their father, Anatoly Shevchenko, is a veteran of the Cold War who served in the Pacific Fleet of