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Eusebius of Laodicea (born, Alexandria, Egypt—died c. 269, Laodicea [now al-Lādhiqīyah], Syria) was a deacon of Alexandria who became bishop of Laodicea, after risking his life by serving Christian martyrs during the persecutions of the Roman emperors Decius (250) and Valerian (257). He was a former pupil of the illustrious theologian Origen. When Alexandria was besieged in 262 by troops of Valerian’s successor and son, Gallienus, Eusebius and his friend Anatolius negotiated the release of...