Duchy of Trakai [SEP] dissolved or abolished
, Kęstutis was imprisoned at the Kreva Castle and died. His nephew Skirgaila was named the new Duke of Trakai by his brother Grand Duke Jogaila. Vytautas, son of Kęstutis, then waged a new Lithuanian Civil War to regain his patrimony in Trakai and seize power in Lithuania. The war was ended by the Ostrów Agreement on August 4, 1392. The agreement transferred the Duchy from Skirgaila to Vytautas. 
On October 2, 1413, Vilnius and Trakai Voivodeships were created by the Union of Horodło from the Duchy of Trakai
which elected 13-year-old Casimir IV Jagiellon as Grand Duke of Lithuania, and thus for three years abolished the personal union with Poland.
- Martynas Goštautas (1428–1472), Voivode of Kiev and Voivode of Trakai
- Albertas Goštautas (1462–1539), best known member of the family. He was voivod of Vilnius Voivodeship and chancellor of the Grand Duchy of Lithuania. He was one of the initiators and financiers of Lithuanian Statutes.
- Stanislovas Goštautas (1507(?) – 1542) was the last representative of