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Worldwide, Tiengtum (Tiengtum ) is an extremely rare unknown gender forename. Much more frequently, Tiengtum is the last name as well as the forename.
Тиенгтум
Tony, Donny, Lynda, Banyen, Pethsak, Porntep, Pongsak, Tawadchai, Thavorn, Udomsak, and Chanphen