Eleutherius ( el, Ἐλευθέριος, died 136) was the

bishop of Byzantium The ecumenical patriarch ( el, Οἰκουμενικός Πατριάρχης, translit=Oikoumenikós Patriárchēs) is the archbishop of Constantinople (Istanbul), New Rome and ''primus inter pares'' (first among equals) among the heads of the ...

for approximately seven years (129–136 AD). He succeeded Bishop Diogenes. He was in office during the rule of Emperor

Hadrian Hadrian (; la, Caesar Trâiānus Hadriānus ; 24 January 76 – 10 July 138) was Roman emperor from 117 to 138. He was born in Italica (close to modern Santiponce in Spain), a Roman ''municipium'' founded by Italic settlers in Hispania B ...

. His successor was

Felix Felix may refer to: * Felix (name), people and fictional characters with the name Places * Arabia Felix is the ancient Latin name of Yemen * Felix, Spain, a municipality of the province Almería, in the autonomous community of Andalusia, ...

References

2nd-century Romans 2nd-century Byzantine bishops Bishops of Byzantium 136 deaths Year of birth unknown {{EarlyChurch-bishop-stub