Ivan III of Russia
Before his death in 1456 Grand Prince Ivan Fyodorovich of Ryazan entrusted his friend Vasily of Moscow with temporary governing of the principality and taking care of his children Vasily and Theodosia until their maturity. But soon after Ivan's death Vasily of Moscow moved orphans to Moscow and appointed a voevoda to Ryazan. This decision started a process of joining of Ryazan Principality to the Grand Duchy of Moscow. Vasily II's heir Ivan III of Russia continued his father's policy towards Ryazan and Anna grew together with Ryazan prince Vasily.