March 12 (old calendar) / March 25 (new) Great Lent. Ven. Theophanes the Confessor, of Sigriane (818). Righteous Phineas, grandson of Aaron (ca. 1500 B.C.). St. Gregory Dialogus, Pope of Rome (604). Ven. Simeon the New Theologian (1021). SAINT THEOPHANES THE CONFESSOR Saint Theophanes the Confessor was born in 759 at Constantinople into a pious and renowned family. His father was a relative of the Byzantine emperor Leo the Isaurian