Holy Martyr Aetherius, who suffered for Christ by the sword.
Saint Aetherius is remembered in the synaxaria as a martyr who confessed Christ and was beheaded during the persecutions. The details of his contest have not been preserved.
Feast day
On the New Calendar, Aetherius the Martyr is commemorated on June 18. Churches on the Old (Julian) Calendar keep the feast on July 1 of the civil calendar.
Also commemorated on June 18

Leontius the Athonite, Myrrh-gusher
Venerable, Λεόντιος ο Αθωνίτης ο Μυροβλήτης
Venerable Leontius the Myrrh-gusher of Dionysiou Monastery on Mount Athos.
Leontius the Canonarch of the Kiev Caves
Venerable, Λεόντιος ο Κανονάρχης
Venerable Leontius, the young canonarch of the Kiev Caves Lavra.