Globally, Kornievich (Kornievich , Корниевич ) is an extremely rare unknown gender first name. Much more frequently, Kornievich is the last name as well as the forename.
Корнєвич, Корніевич, and Корніевіч
Alexander
, Корниевич 
) is an extremely rare unknown gender first name. Much more frequently, Kornievich is the last name as well as the forename.