Last name Kniva (Книва , Kniva , Кніва ) , in the world, is an extremely rare family name. Much more frequently, Kniva is the forename as well as the last name.
尼瓦
, Kniva 
, Кніва 
) , in the world, is an extremely rare family name. Much more frequently, Kniva is the forename as well as the last name.