Blessed Theosebia the Deaconess, sister of St. Basil the Great and St. Gregory of Nyssa.
St. Theosebia was a sister of St. Basil the Great and St. Gregory of Nyssa, from the family of St. Emmelia and St. Makrina. She served the Church as a deaconess and was praised by St. Gregory the Theologian for her holiness.
She reposed in peace in the fourth century and is commemorated on January 10.
Feast day
On the New Calendar, Theosebia the Deaconess is commemorated on January 10. Churches on the Old (Julian) Calendar keep the feast on January 23 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Also commemorated on January 10

Markianos the Presbyter
Venerable, Μαρκιανός
St. Markianos, priest and steward of the Great Church of Constantinople.
Antipas of Valaam
Venerable, Αντίπας ο Αθωνίτης
Venerable Antipas of Calapodesti, Athonite and Valaam ascetic.