Righteous Eudokia, Empress, wife of Theodosius the Younger.
Saint Eudokia was born Athenais, daughter of an Athenian philosopher, and after her baptism married the Emperor Theodosius II. A woman of learning and piety, she composed verse on Scripture and built churches and hospices in Jerusalem.
She spent her last years in the Holy City and reposed there in the fifth century.
Feast day
On the New Calendar, Eudokia the Empress is commemorated on August 13. Churches on the Old (Julian) Calendar keep the feast on August 26 of the civil calendar.
Also commemorated on August 13

Irene the Empress (Xene)
Holy Woman, Ειρήνη η Βασίλισσα
Righteous Irene the Empress, wife of John II Komnenos, the nun Xene.
Tikhon of Zadonsk
Hierarch, Τύχων Ζαντόνσκ
Saint Tikhon, Bishop of Voronezh and wonderworker of Zadonsk.