Correct me if I'm wrong
But Russian last names have declination with A, when its female.
Should be Nina Kalenkova.
If you want a known case, Marat Safin sister is Dinara Safina.
But Russian last names have declination with A, when its female.
Should be Nina Kalenkova.
If you want a known case, Marat Safin sister is Dinara Safina.