Throughout the world, ถาวรสาย (ถาวรสาย , Thaeornsai) is an extremely rare unknown gender first name. Much more prevalently, ถาวรสาย is the last name as well as the forename.
Thawonsai
รจนา, and รชตนันท์
, Thaeornsai) is an extremely rare unknown gender first name. Much more prevalently, ถาวรสาย is the last name as well as the forename.