Worldwide, กรรถาวร (กรรถาวร ) is an extremely rare unknown gender given name. Much more frequently, กรรถาวร is the last name as well as the forename.
ณรงค์, and ชรินทร์รัตน์
) is an extremely rare unknown gender given name. Much more frequently, กรรถาวร is the last name as well as the forename.