Hieromartyr Hierotheos the New, who suffered under the Turks.
Hierotheos was a priest of the Ottoman period who, tradition relates, was put to death for refusing to abandon the Christian faith. Few details of his life have been preserved.
He is honored among the New Martyrs on May 31.
Feast day
On the New Calendar, Hierotheos the New is commemorated on May 31. Churches on the Old (Julian) Calendar keep the feast on June 13 of the civil calendar.
Also commemorated on May 31

Eusebios and Charalambos
Martyr, Ευσέβιος και Χαράλαμπος
Holy Martyrs Eusebios and Charalambos, burned for their faith.
Eustathios of Constantinople
Hierarch, Ευστάθιος Κωνσταντινουπόλεως
Saint Eustathios, Patriarch of Constantinople.
Petronilla of Rome
Holy Woman, Πετρονίλα
Saint Petronilla, virgin of Rome, honored as a spiritual daughter of the Apostle Peter.
Name days: Petronilla
Five Martyrs of Ascalon
Martyr, Πέντε Μάρτυρες εν Ασκάλωνι
The Five Holy Martyrs who suffered at Ascalon in Palestine.
Co-workers of the Apostle Paul
Apostle, Συνεργοί του Αποστόλου Παύλου
Synaxis of the holy men and women named as fellow-laborers of the Apostle Paul in his epistles.