Surname Gyuseung (규승 , Gyuseung ) , in all the world, is an extremely rare family name. Much more frequently, Gyuseung is the forename as well as the last name.
Kyu-Sung
Kim, Lee, and Hwang
, Gyuseung 
) , in all the world, is an extremely rare family name. Much more frequently, Gyuseung is the forename as well as the last name.