Surname 철성 (철성 , Chul-Sung ) , globally, is an extremely rare family name. Much more prevalently, 철성 is the forename as well as the last name.
チョルソン, and 喆晟
, Chul-Sung 
) , globally, is an extremely rare family name. Much more prevalently, 철성 is the forename as well as the last name.