In the entire world, เพียรธนสาร (เพียรธนสาร ) is an extremely rare unknown gender forename. Much more frequently, เพียรธนสาร is the last name as well as the forename.
จิรกาญจน์
) is an extremely rare unknown gender forename. Much more frequently, เพียรธนสาร is the last name as well as the forename.