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Family name Damrongdej (Damrongdej , ดำรงเดช) , all around the world, is an extremely rare cognomen. The surname Damrongdej is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Damrongdej is the forename as well as the last name.
Kongdej, Suebwongpat, Sornboon, Petchana, Dhessamart, Thepprakarn, Wangbenjaporn, Sukhontarug, and Pongsritat