Elena Glinskaya
Princess
Elena Vasilyevna Glinskaya was the grand princess consort of Moscow as the second wife of Vasili III of Russia, and de facto regent of Russia from 1533 until her death in 1538. She was the mother of the first crowned tsar Ivan IV. Wikipedia
Born: 1510, Grand Duchy of Lithuania
Died: April 4, 1538 (age 28 years), Russian State
Children: Ivan the Terrible and Yuri of Uglich
Spouse: Vasili III of Russia (m. 1526–1533)
Great-grandparents: Boris Glinsky and Jakša
Grandchildren: Tsarevich Ivan Ivanovich of Russia, Feodor I of Russia, Dmitry of Uglich, and more
Parents: Ana Jakšić and Vasily Glinski