Michael Žygimantaitis [SEP] sex or gender
Michael Žygimantaitis
Michael Žygimantaitis (, ; before 1406 – shortly before February 10, 1452 in Moscow) was the last male descendant of Kęstutis, Grand Duke of Lithuania. 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 Pabaiskas. 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
Duke of Cieszyn
- Cymburgis of Masovia; married Ernest, Duke of Austria
- Jadwiga of Masovia; married John Garay, son of Nicholas I Garay
- Amelia of Masovia; married William II, Margrave of Meissen
- Anna of Masovia; possibly married Michael Žygimantaitis
- Maria of Masovia; married Bogislaw IX, Duke of Pomerania
- Alexandra of Masovia
- Catherine of Masovia; married Michael Žygimantaitis
Grandchildren of Alexandra and Siemowit IV included Frederick III, Holy Roman Emperor, Przemyslaus II, Duke of