Career
The alternative interpretation of his nickname is Theodore the Beautiful. His father Prince Rostislav died in 1240. Theodore was Duke of Mozhaysk from his youth.
In 1260 Theodore married Maria Vasilievna, daughter of Prince Basil of Yaroslavl.
Theodore then also became prince of Yaroslavl. Theodore himself went to Sarai, the capital of the Golden Horde.
She was baptized and received the name Anna. Theodore and Anna had two sons, David and Constantine.
In alliance with the Mongols, he was a prominent figure of the politics in middle Russia.