Yury Ivanovich was second surviving son of Ivan the Great by Sophia of Byzantium

Sophia Paleologue

Zoe Palaiologina , later changed her name to Sophia Palaiologina , Grand Duchess of Moscow, was a niece of the last Byzantine emperor Constantine XI and second wife of Ivan III of Russia. She was also the grandmother of Ivan the Terrible.- Biography :...

. Since 1519, his appanages included Dmitrovskoe knjazevstvo.

When his elder brother Vasily III

Vasili III of Russia

Vasili III Ivanovich was the Grand Prince of Moscow from 1505 to 1533. He was the son of Ivan III Vasiliyevich and Sophia Paleologue and was christened with the name Gavriil...

 ascended to the throne, Yury was 24 years old. Like his other brothers, he was forbidden to marry until Vasily could produce an heir and even then he was not allowed to marry without the ruler's permission. For Yury Ivanovich this permission never came because after his brother's death in 1533 his widow and regent for the young Ivan IV

Ivan IV of Russia

Ivan IV Vasilyevich , known in English as Ivan the Terrible , was Grand Prince of Moscow from 1533 until his death. His long reign saw the conquest of the Khanates of Kazan, Astrakhan, and Siberia, transforming Russia into a multiethnic and multiconfessional state spanning almost one billion acres,...

 Elena Glinskaya

Elena Glinskaya

Elena Vasilyevna Glinskaya April 1538, Moscow) was the second wife of Grand Prince Vasili III and regent of Russia for 5 years .- Background :...

 began to suspect Yury.

Not long after that Yuri was arrested and put in prison where he died in 1536.

Ancestry