The family of Kęstutis (), Grand Duke of Lithuania is listed here. He might have co-ruled with his brother Algirdas from 1345 to 1377 and became anti-ruler to his nephew Jogaila in years 1381-1382.
Parents Gediminas (c. 1275 – winter 1341), Grand Duke of Lithuania (1316–1341) Jaunė (died in 1344), daughter of Prince Ivan of Polotsk
Wives Name not known, (died c. 1351) Birutė (died probably in 1382)
Brothers Algirdas (c. 1300 – end of May 1377), Grand Duke of Lithuania (1345–1377) Manvydas (c. 1300–1348), Duke of Kernavė and Slonim (1341–1348) Narimantas (baptized Gleb; c. 1300–1348), Duke of Pinsk, Polock and Novgorod Jaunutis (baptized Iwan; c. 1300 – after 1366), Grand Duke of Lithuania (1341–1345), Duke of Izjaslawl (1346–1366) Karijotas (baptized Michal; c. 1300 – c. 1362), Prince of Navahradak (1341–1362) Liubartas (baptized Dymitr; c. 1300–1384), Volodymyr and Luck (1340–1384)
Sisters Maria (c. 1300–1349), Princess of Lithuania Aldona of Lithuania (Anna; after 1309 – 26 May 1339), Princess of Lithuania, Queen of Poland (1333–1339) Damilla (baptized Elzbieta; died in 1364), Princess of Płock Eufemija (died on 5 February 1342), Princess of Halicz and Volodymyr-Halicz Aigustė (Anastazja; died on 11 March 1345), Grand Princess of Vladimir-Moscow
Sons Vaidotas (fl. 1362), Duke of Navahrudak Vaišvilas (died c. 1387) Butautas (Henryk; died after 1381) Vytautas the Great (c. 1350 – 27 October 1430 in Lutsk), Grand Duke of Lithuania (1401–1430) Tautvilas Kęstutaitis (Conrad; died in September 1390), Prince of Black Ruthenia (1386–1390) Žygimantas Kęstutaitis (after 1350 – murdered on 20 March 1440), Duke of Trakai, Grand Duke of Lithuania (1432–1440)
Daughters Mikova (Maria; died in 1404), Grand Princess of Tver (1375–1404?) Danutė of Lithuania (Anna; 1362 – 25 May 1448), Princess of Warsaw (1376–1429) Rimgailė (Anna; died in 1433), Princess of Masovia (4 February – 30 June 1392), Voivodess of Moldavia (1419–1421) A daughter (name unknown) (c. 1347?)
References