In the world, ตันแข็ง (ตันแข็ง ) is an extremely rare unknown gender forename. Much more frequently, ตันแข็ง is the last name as well as the forename.
สุมิน, วรชาติ, and สายพินธ์
) is an extremely rare unknown gender forename. Much more frequently, ตันแข็ง is the last name as well as the forename.