In all the world, Bilyavska (Bilyavska ) is an extremely rare unknown gender forename. Much more frequently, Bilyavska is the last name as well as the forename.
Билявська, Білявска, and Білявська
Svitlana
) is an extremely rare unknown gender forename. Much more frequently, Bilyavska is the last name as well as the forename.