In all the world, ตรัสยอดสกุล (ตรัสยอดสกุล ) is an extremely rare unknown gender first name. Much more frequently, ตรัสยอดสกุล is the last name as well as the forename.
สิวิไล, ปิยพงษ์, and ปิยะพงษ์
) is an extremely rare unknown gender first name. Much more frequently, ตรัสยอดสกุล is the last name as well as the forename.