Family name ยงเดช (ยงเดช , Yongdej ) , worldwide, is an extremely rare surname. Much more prevalently, ยงเดช is the forename as well as the last name.
Yongdet
แซเลา, and โรจน์ศรีวิชัยกุล
, Yongdej 
) , worldwide, is an extremely rare surname. Much more prevalently, ยงเดช is the forename as well as the last name.