Vassilissa married Ivan IV the Terrible of Russia, Tsar of Russia about 1576, and was divorced in 1577. Ivan (son of Basil III of Moscow, Prince of Moscow and Helene of Glinski) was born on 25 Aug 1530 in Moscow, Moskva, Russia; died on 18 Mar 1584 in Moscow, Moskva, Russia. [Group Sheet] [Family Chart]