Globally, กุลประพฤทธิ์ (กุลประพฤทธิ์ ) is an extremely rare unknown gender forename. Much more frequently, กุลประพฤทธิ์ is the last name as well as the forename.
ชุลีกร, and เสถียร
) is an extremely rare unknown gender forename. Much more frequently, กุลประพฤทธิ์ is the last name as well as the forename.