Lives of all saints commemorated on September 19 - Orthodox Church ...
https://oca.org/saints/all-lives/2015/09/19
19 Sep 2015 - St Theodore the Prince of Smolensk and Yaroslav. The holy right-believing Prince Theodore of Smolensk and Yaroslavl, ... There at the Golden Horde St Theodore's sons, Prince David and Prince Constantine were also born.
St Constantine of Smolensk and Yaroslav - Orthodox Church in America
https://oca.org/saints/lives/2014/.../19/102669-st-constantine-of-smolensk-and-yarosla...
Commemorated on September 19 ... and his brother St David were sons of the holy right-believing Prince Theodore of Smolensk and Yaroslavl. ... The relics of Sts Theodore, Constantine and David were uncovered on March 5, 1463.
Finding of the relics of St Constantine and His Brother and Father of ...
https://oca.org/.../100662-finding-of-the-relics-of-st-constantine-and-his-brother-and-...
5 Mar 2011 - The Great Prince Theodore was a man of