In all the world, Kňažko (Kňažko , Княжко ) is an extremely rare unknown gender first name. Much more prevalently, Kňažko is the last name as well as the forename.
Knazko
Jana, Ján, Roman, Jakub, Jozef, Filip, and Ríša
, Княжко 
) is an extremely rare unknown gender first name. Much more prevalently, Kňažko is the last name as well as the forename.