December 14 Nativity Fast Martyrs Thyrsus, Leucis, and Callinicus of Apollonia (249-51). Martyrs Apolonius, Philemon, Arianus and Theoctychus, of Alexandria (286-287). SAINTS THYRSUS, LEUCIS, AND CALLINICUS The Holy Martyrs Thyrsus, Leucius and Callinicus suffered for Christ under the emperor Decius (249-251) at Caesarea in Bithynia. Saint Leucius, having reproached the prefect Cumbricius for his unjust persecution of Christians, was executed after being tortured. Saint Thyrsus, who was still a catechumen,