Leontius of Caesarea (died 337) was a

bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is c ...

of Caesarea Mazaca, in

Cappadocia Cappadocia or Capadocia (; tr, Kapadokya), is a historical region in Central Anatolia, Turkey. It largely is in the provinces Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. According to Herodotus, in the time of the Ionian Re ...

. He was childhood friends with

Gregory the Illuminator Gregory the Illuminator ( Classical hy, Գրիգոր Լուսաւորիչ, reformed: Գրիգոր Լուսավորիչ, ''Grigor Lusavorich'';, ''Gregorios Phoster'' or , ''Gregorios Photistes''; la, Gregorius Armeniae Illuminator, cu, Svyas ...

, later in life Leontius would consecrate Gregory to become the patriarch of the

Armenians Armenians ( hy, հայեր, '' hayer'' ) are an ethnic group native to the Armenian highlands of Western Asia. Armenians constitute the main population of Armenia and the ''de facto'' independent Artsakh. There is a wide-ranging diasp ...

. Leontius attended the

First Council of Nicaea The First Council of Nicaea (; grc, Νίκαια ) was a council of Christian bishops convened in the Bithynian city of Nicaea (now İznik, Turkey) by the Roman Emperor Constantine I in AD 325. This ecumenical council was the first effort ...

in 325. The

Eastern Orthodox Church The Eastern Orthodox Church, also called the Orthodox Church, is the second-largest Christian church, with approximately 220 million baptized members. It operates as a communion of autocephalous churches, each governed by its bishops vi ...

describes him as an "

angel In various theistic religious traditions an angel is a supernatural spiritual being who serves God. Abrahamic religions often depict angels as benevolent celestial intermediaries between God (or Heaven) and humanity. Other roles inclu ...

of peace." His feast day is 13 January.

References

337 deaths 4th-century Christian saints Armenian saints Year of birth unknown {{saint-stub