Right-Believing
Right-believing Prince Constantine of Yaroslavl, son of Theodore the Black
XIII в.
The younger son of Right-believing Prince Theodore Rostislavich the Black of Yaroslavl; venerated together with his father and elder brother David as a Wonderworker of Yaroslavl.
Right-believing Prince Constantine was the younger son of Right-believing Prince Theodore Rostislavich the Black, who became Prince of Yaroslavl after marrying the daughter of Right-believing Prince Basil of Yaroslavl. Together with his elder brother David, he is venerated as a Wonderworker of Yaroslavl. The relics of the right-believing Theodore, David, and Constantine were found incorrupt in Yaroslavl on 5 March 1463 and became renowned for many miracles. He is venerated in the Synaxis of Rostov-Yaroslavl Saints.