Born: 1394, Warsaw, Poland
Died: September 28, 1429 (age 35 years), Türnitz, Austria
Great-grandparents: Gediminas, Jaunė, Maria of Galicia, and more
Grandchildren: Maximilian I, Kunigunde of Austria, Ernest, Elector of Saxony, and more
Parents: Siemowit IV, Duke of Masovia and Alexandra of Lithuania
Grandparents: Uliana of Tver, Siemowit III, Duke of Masovia, Algirdas, and more