Transliteration from Russian: Tretyakovtsy, transliteration from Belorussian: Tratstsyakovtsy.
Name on Russian: Третьяковцы.
Name on Belorussian: Траццякоўцы.
Name on Latin Belorussian: Tracciakoŭcy.
Other possible spellings: Tretiakovtsy, Tret'yakovtsy.