Michael Žygimantaitis was born 1405 to Sigismund Kęstutaitis (c1365-1440) . He married Anna of Masovia (1411-1435) . He married Eufemia (c1410-1436) . He married Catherine of Masovia (c1415-c1479) .


Michael Žygimantaitis'[1] (Lithuanian: Mykolas Žygimantaitis, Polish: Michał Bolesław Zygmuntowicz; before 1406 – shortly before February 10, 1452 in Moscow) was the last male descendant of Kęstutis, Grand Duke of Lithuania.[2] He supported his father Sigismund Kęstutaitis in power struggles with Švitrigaila. In 1435 he led his father's army to victory in the Battle of Wilkomierz. After his father's assassination in 1440, Michael unsuccessfully fought against Casimir IV Jagiellon for the title of the Grand Duke of Lithuania. At first Michael was supported by Samogitia, but in 1441 Casimir issued a privilege confirming Samogitia's semi-autonomous status and thus avoiding a civil war.[1] Until 1447 he was supported by Dukes of Masovia. In 1448 Michael asked help from the Crimean Khanate. With their help he attacked and shortly took control of Kiev, Starodub, Novhorod-Siversky.[2] Soon he was captured and transported to the Grand Duchy of Moscow where he died under unclear circumstances (possibly poisoned).[2] He was buried in Vilnius Cathedral.

At different times Michael married two daughters of Alexandra of Lithuania and Siemowit IV, Duke of Mazovia.[3] In total he had three wives, all from Masovia: Anna of Masovia, Eufemia and Catherine of Masovia.[4]


  1. ^ a b Kiaupa, Zigmantas; Jūratė Kiaupienė; Albinas Kunevičius (2000) [1995]. The History of Lithuania Before 1795 (English ed.). Vilnius: Lithuanian Institute of History. p. 213. ISBN 9986-810-13-2. 
  2. ^ a b c Gudavičius, Edvardas (2004). "Mykolas Žygimantaitis". In Vytautas Spečiūnas (in lt). Lietuvos valdovai (XIII-XVIII a.): enciklopedinis žinynas. Vilnius: Mokslo ir enciklopedijų leidybos institutas. pp. 97. ISBN 5-420-01535-8. 
  3. ^ Vaclovas Biržiška, ed (1933–1944). "Aleksandra" (in lt). Lietuviškoji enciklopedija. I. Kaunas: Spaudos Fondas. pp. 219. 
  4. ^ Urban, William (2003). Tannenberg and After. Chicago: Lithuanian Research and Studies Center. p. 1479. ISBN 0-929700-25-2. 

Further reading

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Offspring of Sigismund Kęstutaitis (c1365-1440) and unknown parent
Name Birth Death Joined with
Michael Žygimantaitis (c1405-1452) 1405 Anna of Masovia (1411-1435)
Eufemia (c1410-1436)
Catherine of Masovia (c1415-c1479)


Footnotes (including sources)