Family name ตรียากรณ์ (ตรียากรณ์ ) , in the world, is an extremely rare last name. Much more frequently, ตรียากรณ์ is the forename as well as the last name.
วงศ์นพรัตนบดี
) , in the world, is an extremely rare last name. Much more frequently, ตรียากรณ์ is the forename as well as the last name.