Tsarevich Ivan Ivanovich of Russia

Ivan Ivanovich (Russian: Иван Иванович; 28 March 1554 – 19 November 1581) was the second son of Russian tsar Ivan the Terrible by his first wife Anastasia Romanovna. He was the tsarevich (heir apparent) until he suddenly died; historians generally believe that his father killed him in a fit of rage.

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