In all the world, Козьєв (Козьєв ) is an extremely rare unknown gender first name. Much more frequently, Козьєв is the last name as well as the forename.
Koziev
Олег, Микола, Сергій, Олексій, and Олександр
) is an extremely rare unknown gender first name. Much more frequently, Козьєв is the last name as well as the forename.