Prince of Tver
The title of Prince of Tver was borne by the head of the branch of the Rurikid dynasty that ruled the Principality of Tver. In 1247 Tver was allocated to Grand Prince Alexander Nevsky, and became an independent principality. In 1252, the principality passed to his brother Yaroslav, who became the ancestor of the Tver dynasty of princes. List of Princes of Tver. In 1485, Ivan III conquered Tver, and until 1490, his son Ivan the Young governed the duchy.