Saint / historical person
Saints & Martyrs
History & Councils

Phileas of Thmuis

Phileas of Thmuis was a learned bishop and martyr of the Diocletianic persecution, remembered for his steadfast confession and his account of Christian martyrdoms in Alexandria.[^1][^2]

Also known as: Saint Phileas · Saint Phileas of Thmuis · Phileas, Bishop of Thmuis · Saint Phileas Bishop of Thmuis

Published 10/3/2026Updated 1 revisionPage history

In brief

Phileas of Thmuis was a Christian bishop, a scholar of philosophy, and a martyr of the persecution under Diocletian. He is remembered both for refusing to abandon his faith and for describing the sufferings of Christians in Alexandria. The heading of his Apologia dates his death to 4 February 306.

Overview

Phileas of Thmuis was bishop of the church of Thmuis and a Christian martyr during the persecution under Diocletian. The account reproduced in Coptic Church Review emphasizes his philosophical learning and the services he had rendered to his country, while The Coptic Encyclopedia identifies both his letter and the account of his interrogation as important evidence for the history of persecution in Egypt.12

His importance is therefore both biographical and documentary: he is remembered as a bishop who remained steadfast under pressure, and his testimony helps preserve the experience and religious understanding of other martyrs. The surviving materials approach these two aspects through different forms of writing—a narrative of his endurance, an extract from his own description of persecution, and an Apologia recording a conversation with his judge.345

History and origins

Bishop, philosopher, and public figure

The biographical account calls Phileas a man eminent for his patriotism, his service to his country, and his philosophical learning. It identifies him specifically as bishop of the church of Thmuis. A separate introduction to his testimony likewise remarks on his high reputation for secular learning, making his intellectual standing a repeated feature of the portrait rather than an incidental detail.14

Phileas is presented alongside Saint Philoromus, who held a high office under the imperial government at Alexandria. Philoromus administered justice daily and was accompanied by a military guard appropriate to his rank. The distinction between their positions is important: the passage describes Philoromus as an imperial official, whereas Phileas is identified as a bishop distinguished by learning and public service.16

The narrative places both men among Christians who possessed social advantages but regarded them as secondary to faith in Jesus Christ. Its opening mentions wealth, noble birth, honor, learning, and philosophy as marks of distinction among such confessors. In the particular description of Phileas, however, the stated details are his episcopal office, patriotism, service, and philosophical education.16

The persecution under Diocletian

The Coptic Encyclopedia locates Phileas’s martyrdom in the persecution under Diocletian. It also identifies a letter of his quoted in Book VIII.10 of Eusebius’s Historia ecclesiastica. The introduction reproduced in Coptic Church Review explains that Phileas’s own words describe martyrdoms occurring in his time at Alexandria.24

These notices connect the bishop of Thmuis with testimony about persecution in Alexandria without requiring that every detail of his own trial be reconstructed from that testimony. His description of other martyrs and the record of his judicial interrogation are related evidence, but they have different subjects and documentary forms.245

Trial and martyrdom

Appeals from relatives, friends, and officials

The account of Phileas and Philoromus describes sustained pressure to preserve their lives. Numerous relatives and friends appealed to them, as did people in high positions and the judge himself. These appeals asked them to have compassion on themselves and mercy on their children and wives.3

The narrative presents these family and social appeals together with threats and insults from the judge. Its emphasis is not simply that the men faced punishment, but that they were urged by people close to them and by those exercising authority to place survival above their confession. Neither the personal appeals nor the judicial hostility persuaded them to abandon their position.3

Both men were ultimately beheaded. The account interprets their refusal to yield through the contrast between love of life and obedience to the Savior’s ordinances concerning confession and denial. Their execution is thus presented as the outcome of a sustained religious choice under pressure, rather than merely as the final event of a legal proceeding.3

Culcianus and the date of death

The Apologia of Phileas of Thmuis, as described in The Coptic Encyclopedia, contains the conversation between Phileas and his judge, Culcianus. According to the heading of that document, the conversation was followed by Phileas’s death on 4 February 306. The date should therefore be understood with its stated documentary qualification: it is the date supplied by the Apologia’s heading.5

The two supplied accounts contribute different particulars. The narrative reproduced in Coptic Church Review gives the manner of death and associates Phileas with Philoromus, while the encyclopedia’s description of the Apologia supplies the judge’s name and the date attributed to its heading. These details are complementary; the supplied passages do not present a competing date or a conflicting manner of death.35

Theology and meaning

Confession above social standing and survival

The martyrdom narrative places faith in “our Saviour and Lord Jesus Christ” above the advantages of wealth, standing, honor, and education. Phileas’s learning and public reputation establish what he possessed and could lose, but they do not become the final measure of his character. That measure is his refusal to abandon the confession demanded by his faith.136

The account makes this distinction especially clearly when it describes the two men as possessing “manly and philosophic minds,” then refines the phrase to “pious and God-loving souls.” Philosophy is not dismissed: it remains part of Phileas’s distinguished character. Yet the narrator gives religious devotion the decisive place in explaining his perseverance.3

The references to wives, children, relatives, and friends also sharpen the account’s moral emphasis. Its portrayal of steadfastness acknowledges the force of personal attachments and concern for dependents, while presenting obedience to the Savior’s ordinances concerning confession and denial as the reason the martyrs did not yield.3

Scripture and the inward gaze toward God

Phileas’s own description of the martyrs begins with Scripture. He writes that they had before them “examples and models and noble tokens” given in the “Divine and Sacred Scriptures.” Their courage is consequently portrayed not as isolated determination, but as a response shaped by scriptural precedents.7

He then describes the martyrs as “directing the eye of the soul in sincerity toward the God over all.” This language complements the account of his own steadfastness: the narrative emphasizes resistance to external pressure, while his testimony emphasizes the inward orientation toward God that accompanied the martyrs’ conduct.37

His phrase “the blessed martyrs who were with us” places his testimony in relation to a community experiencing persecution. The introduction explicitly offers his words as a more accurate description of the Alexandrian martyrdoms than the narrator could provide, allowing the learned bishop to become a witness to the faith of others as well as a subject of remembrance himself.47

Texts and historical testimony

The letter preserved by Eusebius

The Coptic Encyclopedia identifies Eusebius’s Historia ecclesiastica as an important source for the persecutions of Christians in Egypt, including Alexandria. It assigns particular value to passages quoting eyewitness writings or reporting events Eusebius himself witnessed. Within this discussion, it singles out the quotation from Phileas’s letter in Book VIII.10.28

The extract reproduced in Coptic Church Review is introduced by an invitation to let Phileas be his own witness. That framing links his reputation for secular learning with the opportunity to hear his own description of Christian endurance. The supplied extract preserves only the opening of that description, ending during his account of the martyrs’ gaze toward God.47

The Apologia

The encyclopedia also includes the Apologia of Phileas of Thmuis among the first-rate papyrus sources from the Age of Persecution. Its stated content is a conversation between the martyr and Culcianus, followed, according to its heading, by Phileas’s death. The entry cites Halkin’s 1963 treatment, pages 5–27, for this document.5

The letter and the Apologia preserve different dimensions of Phileas’s historical significance. The letter gives access to his interpretation of martyrdom among Christians at Alexandria; the Apologia records his encounter with judicial authority. Read alongside the narrative of his execution, they connect communal testimony, personal confession, and the legal circumstances of persecution.345

Saints and figures connected with Phileas

Philoromus is Phileas’s principal companion in the supplied martyrdom narrative. Their association brings together an imperial administrator and a bishop: men with different responsibilities who are presented as responding alike to appeals, threats, and the prospect of death. The account concludes their shared portrait with the statement that both were beheaded.136

Culcianus appears as the judge named in the Apologia, while Eusebius is the historian whose work preserves a quotation from Phileas’s letter. Their connections to Phileas are therefore distinct: one belongs to the recorded interrogation, the other to the transmission of his testimony about persecution.25

Historical significance

The supplied sources preserve Phileas as both a saintly example and a historical witness. The heading in Coptic Church Review explicitly honors him as Saint Phileas, bishop of Thmuis, and its narrative stresses fidelity to Christ. The Coptic Encyclopedia, by contrast, discusses his surviving testimony within an assessment of the documentary sources for Egyptian martyrdoms.925

These emphases reinforce one another without being identical. The devotional portrait explains his endurance in terms of confession, Scripture, and love of God; the historical discussion identifies the texts through which aspects of that endurance and the wider persecution can be studied. Together, they preserve a bishop whose learning, public service, testimony, and death are all integral to the surviving account of his life.1357

Questions

Frequently asked questions

Who was Phileas of Thmuis?
Phileas was bishop of the church of Thmuis, noted for his philosophical learning, patriotism, and public service. He died as a Christian martyr during the persecution under Diocletian.
When did Phileas of Thmuis die?
According to the heading of the Apologia of Phileas of Thmuis, his death followed his interrogation on 4 February 306. The martyrdom account reproduced in Coptic Church Review states that he was beheaded.
What writings preserve the testimony of Phileas?
Eusebius quotes a letter of Phileas in Book VIII.10 of his Historia ecclesiastica. The Apologia of Phileas of Thmuis also preserves a conversation between Phileas and his judge, Culcianus.
How was Phileas connected with Saint Philoromus?
The account reproduced in Coptic Church Review presents Phileas and Philoromus together as distinguished Christians who resisted pressure to abandon their confession. It states that both were beheaded.
What did Phileas say about the martyrs of Alexandria?
In the surviving excerpt supplied here, Phileas described the martyrs as guided by examples in the Divine and Sacred Scriptures. He portrayed them as directing the eye of the soul sincerely toward God.

References

Sources

  1. 1.Coptic Church Review, Volume 5, Number 3 (p. 8)
    Such also was Phileas, bishop of the church of Thmuis, a man eminent on account of his patriotism and the services rendered by him to his country, and also on account of his philosophical learning.
  2. 2.The Coptic Encyclopedia, Volume 5 — Aziz S. Atiya (Editor in Chief) (p. 494)
    In VIII.10 he quotes from a letter of Phileas of Thmuis, who died a martyr in the persecution under DIOCLETIAN.
  3. 3.Coptic Church Review, Volume 5, Number 3 (p. 8)
    These persons, although a multitude of relatives and other friends besought them, and many in high positions, and even the judge himself entreated them, that they would have compassion on themselves and show mercy to their children and wives, yet were not in the least induced by these things to choose the love of life, and to despise the ordinances of our Saviour concerning confession and denial. But with manly and philosophic minds, or rather with pious and God-loving souls, they persevered against all the threats and insults of the judge; and both of them were beheaded.
  4. 4.Coptic Church Review, Volume 5, Number 3 (p. 8)
    Since we have mentioned Phileas as having a high reputation for secular learning, let him be his own witness in the following extract, in which he shows us who he was, and at the same time describes more accurately than we can the martyrdoms which occurred in his time at Alexandria:
  5. 5.The Coptic Encyclopedia, Volume 5 — Aziz S. Atiya (Editor in Chief) (p. 494)
    Also first-rate sources are papyri from the Age of Persecution, such as the libelli of the Decian persecution (Bludau, 1931) and the Apologia of Phileas of Thmuis, which contains the conversation between Culcianus, his judge, and the martyr, which was followed, according to the heading, by the latter's death on 4 February 306 (Halkin, 1963, pp. 5-27).
  6. 6.Coptic Church Review, Volume 5, Number 3 (p. 8)
    These indeed were wonderful; but yet more wonderful were those who, being distinguished for wealth, noble birth, and honor, and for learning and philosophy, held everything secondary to the true religion and to faith in our Saviour and Lord Jesus Christ. Such an one was Philoromus, who held a high office under the imperial government at Alexandria, and who administered justice every day, attended by a military guard corresponding to his rank and the Roman dignity.
  7. 7.Coptic Church Review, Volume 5, Number 3 (p. 8)
    Having before them all these examples and models and noble tokens which are given us in the Divine and Sacred Scriptures, the blessed martyrs who were with us did not hesitate, but directing the eye of the soul in sincerity toward the God over all,
  8. 8.The Coptic Encyclopedia, Volume 5 — Aziz S. Atiya (Editor in Chief) (p. 494)
    The Historia ecclesiastica of Eusebius contains important information on the persecutions of Christians in Egypt (which here always includes Alexandria) and on Egyptian martyrs. Special importance attaches to those passages in which he quotes from the writings of eyewitnesses or is himself giving a report as an eyewitness.
  9. 9.Coptic Church Review, Volume 5, Number 3 (p. 8)
    Saint Philoromus and Saint Phileas Bishop of Thmuis

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