
1) Ancient Roman eunuch 2) Ancient Roman politician 3) Bishop 4) Byzantine eunuch 5) Eusebius of caesarea 6) Historian 7) Historiographer 8) Latin boy name 9) Pope AD 309 or 310
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https://www.crosswordclues.com/clue/eusebius

Eusebius (s; Εὐσέβιος; 260/265 – 339/340 AD; also called Eusebius of Caesarea and Eusebius Pamphili), was a Roman historian, of Greek descent, exegete and Christian polemicist. He became the Bishop of Early centers of Caesarea about the year 314 A.D. Together with Pamphilus, he was a scholar of the Biblical canon and is regarded as an e...
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http://en.wikipedia.org/wiki/Eusebius

(from the article `Basil the Great, Saint`) ...Dianius of Caesarea, had supported it. Shortly before the death of Dianius (362), Basil was reconciled to him and later was ordained presbyter ...
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http://www.britannica.com/eb/a-z/e/54

(c. 260-340) Bishop of Caesarea (modern Qisarya, Israel); author of a history of the Christian church to 324. ...
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http://www.encyclo.co.uk/local/20688
Eusebius of Caesarea noun Christian bishop of Caesarea in Palestine; a church historian and a leading early Christian exegete (circa 270-340)
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https://www.encyclo.co.uk/local/20974

pope a.d. 309 or 310.
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https://www.infoplease.com/dictionary/eusebius
No exact match found.