Holy Martyr Tryphaina of Cyzicus.
St. Tryphaina was a Christian woman of Cyzicus who openly rebuked the pagans and confessed Christ. Tradition relates that she was cast to wild beasts and remained unharmed until a bull gored her.
She is commemorated on January 31.
Feast day
On the New Calendar, Tryphaina of Cyzicus is commemorated on January 31. Churches on the Old (Julian) Calendar keep the feast on February 13 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Tryphaina, Tryphena, Trifena, Tryphaena
Also commemorated on January 31

Athanasia and her Daughters
Holy Woman, Αθανασία και αι τρεις θυγατέρες
Holy Martyr Athanasia with her daughters Theoktiste, Theodote and Eudoxia, martyred with Sts. Cyrus and John.
Victorinus, Victor and those with them
Martyr, Ουικτωρίνος, Ουίκτωρ και οι συν αυτοίς
Holy Martyrs Victorinus, Victor, Nikephoros, Claudius, Diodorus, Serapion and Papias of Corinth.