# Saint Petronius Source: https://coptic-lore-forge.lovable.app/wiki/saint-petronius — Coptic Orthodox Wiki (updated 2026-10-03) Saint Petronius was a fourth-century monk who founded the monastery of Tbow and became a disciple and successor of Saint Pachomius. He briefly led the Pachomian koinonia, the congregation of its monasteries, before his death on 21 July 346. His feast day is 27 Abib. ## Overview Saint Petronius was a fourth-century monk, a disciple of Saint Pachomius, and his immediate successor as head of the Pachomian *koinonia*, or monastic community. Although his leadership of the whole congregation lasted only a few months, his earlier career included founding a monastery, bringing it into the Pachomian community, and supervising several monasteries. His feast day is 27 Abib.[^1][^2][^3][^4] The accounts emphasize both his spiritual qualities and his practical capacity for leadership. He is described as qualified to direct a monastery, possessing purity of heart, receiving revelations, and displaying exceptional discernment. These qualities help explain why Pachomius entrusted him first with regional responsibilities and eventually with the succession to the headship of the congregation.[^4][^5] ## History and origins ### Family and birthplace Petronius was born to well-to-do parents in Pjoj, a city in the diocese of Diospolis Parva, identified with Hiw. His father was named Pshenthbo and his brother Pshenapalhi. The account of his life presents his withdrawal from the world as a response to the Spirit of God rather than simply a change of residence or occupation.[^2] His family’s property provided the setting for his first monastic foundation. There he gathered around himself “anyone who wanted to live in Christ.” He also brought his father, brother, and “all their household” into the monastic life. His foundation therefore combined a community open to others with the religious transformation of his own household.[^2] ### The foundation of Tbow The monastery established on his parents’ property was called Tbow. The biographical entry places it on the west bank of the Nile, much farther north than Tmoushons and almost opposite Shmin. A separate geographical entry, drawing on the *Lives of Pachomius*, likewise associates Tbow with Petronius’s family estate and his origin in Pjoj.[^2][^6] The geographical evidence does not permit an exact modern identification. The Tbow entry places Pjoj in the nome of Hou, now Hiw, on the Nile’s left bank, and considers it highly probable that Tbow lay nearby. It describes Tbow as a farm or small hamlet for which no trace survives, and states that no archaeological remains are available to settle the question.[^6][^7] Scholars have proposed different locations for Pjoj. W. E. Crum suggested the present village of Abu Tisht, about 8 miles, or 13 kilometres, northwest of Farshut. L. T. Lefort instead proposed Abu Shushah, almost 4 miles, or 6 kilometres, north of Abu Tisht; J. Cerny supported the same identification. These remain alternative proposals rather than an established location for Petronius’s birthplace.[^7] ### Entry into the Pachomian community Petronius founded his monastery before attaching it to Pachomius’s congregation. After learning of the “holy koinonia,” he asked Pachomius to receive the monks of Tbow into it. Pachomius came with his brothers and established at Tbow the rules already followed in the other monasteries.[^3] This sequence distinguishes Petronius’s entry into Pachomian life from that of an individual joining an existing monastery: he brought an already gathered community into the larger congregation. The adoption of common rules was the concrete means by which the account describes Tbow’s incorporation.[^2][^3] ### Leadership at Tesmine When Pachomius founded a monastery in the region of Shmin, he transferred Petronius there as superior. The biographical entry calls this monastery Tesmine and says that Petronius also received responsibility for the other two monasteries in the region. Other supplied accounts use the spelling Tsmine.[^4][^5][^8] The article on Theodorus of Tabennese interprets this appointment as preparation for a possible succession to the leadership of the whole koinonia. It specifically connects Pachomius’s confidence in Petronius with his exceptional gifts of discernment. His eventual appointment thus followed experience of directing both a local monastery and a wider regional group.[^4][^5] ## Succession to Saint Pachomius ### The community during Pachomius’s final illness *Saint Pachomius: Father of the Koinonia* places the succession within an account of illness, prayer, and loss. Shortly before Holy Week, Pachomius reportedly received a vision announcing that the Lord would take “a great offering” from his house during the feast. Thinking this meant his own death, he completely fasted during the last four days before Easter and prayed for the koinonia.[^9] When Abba Paphnouti, the great steward of the monasteries, died on Holy Saturday, Pachomius understood that death as the offering announced in the vision. Pachomius himself remained ill for most of the fifty days of Pentecost. This narrative presents the choice of a successor against the background of concern for the community’s continued spiritual care.[^9][^8] According to the same account, Pachomius summoned the elders of all the monasteries three days before his death and asked them to choose the person who would lead the koinonia. The brothers wept and could not answer; they had spent three days praying that he might remain alive to shepherd them. When pressed, they left the choice to Pachomius, who selected Petronius, the father of Tsmine.[^8] ### Consultation and competing expectations The encyclopedia’s article on Horsiesios gives a related account with additional detail. Pachomius asked Horsiesios to go among the brothers and ask whom they wanted as their father. The article states that the “ancient brothers” wanted Theodorus of Tabennese, but did not put forward a name, after which Pachomius appointed Petronius.[^10] Theodorus’s prominence helps explain why the succession was not merely an administrative formality. He belonged to the “ancient brothers,” the monks who had entered Tabennese before the expansion marked by the foundation of Pbow in 329. He had served as father of Tabennese and then as Pachomius’s assistant at Pbow, and was highly esteemed by the brothers.[^11] An earlier incident had already exposed differing expectations about future leadership. During a previous illness of Pachomius, the ancient brothers asked Theodorus to promise that he would become their father after Pachomius’s death. Theodorus agreed. When Pachomius recovered and learned what had happened, he severely reprimanded Theodorus and removed him from his responsibilities.[^5] Read together, the accounts distinguish the brothers’ attachment to an established leader from Pachomius’s judgment about Petronius’s suitability. They describe Petronius’s nomination as Pachomius’s own choice, made after consultation failed to produce an openly stated candidate.[^5][^8][^10] ### A difference in the chronology The sources agree on the appointment but differ about its precise timing. Petronius’s own encyclopedia entry says that Pachomius appointed him on his deathbed, and the narrative in *Saint Pachomius: Father of the Koinonia* places the choice three days before Pachomius’s death. The Horsiesios article also places the consultation on Pachomius’s deathbed.[^4][^8][^10] By contrast, the article on Theodorus of Tabennese says that Pachomius appointed the ailing Petronius “before his final illness.” This discrepancy should remain visible rather than being resolved by assuming an earlier nomination and a later confirmation, a sequence not stated in the supplied accounts.[^12][^4][^8] ## Leadership of the koinonia and death ### The community Petronius inherited The *koinonia* was not a single monastery. In both Coptic and Greek usage, the word became a technical designation for the larger community formed by all the Pachomian monasteries. At Pachomius’s death, the congregation comprised nine monasteries and two convents of women, with approximately 5,000 monks.[^13] Its central leadership consisted of a father and a second. Their responsibilities included appointing local superiors and, especially, visiting the monasteries, comforting the brothers, and preaching the Word of God. Petronius succeeded Pachomius in the office of father; this institutional description clarifies the scale and spiritual character of the responsibility he received.[^14] Material administration had its own principal officer, the great steward, to whom local superiors reported their needs and the results of their work. The distinction between these offices shows that the headship inherited by Petronius was part of an organized congregation rather than an undifferentiated authority over every daily task.[^15] Pbow was the second and most important monastery founded by Pachomius and the residence of the congregation’s superior for centuries. Its historical entry identifies the site with Faw al-Qibli and records that Pachomius died there in 346, followed in the succession by Petronius and then Horsiesios.[^16] ### Brief tenure and nomination of Horsiesios Petronius was already ill when appointed, and Pachomius knew of his illness. His tenure lasted only a few months: the biographical entry gives his death as 21 July 346. Before dying, he named Horsiesios to succeed him; the Theodorus article places this nomination on Petronius’s deathbed.[^4][^12] The selection of Horsiesios continued the congregation’s unsettled experience of succession. The Horsiesios article states that his nomination did not please the ancient brothers, although he was a humble and holy man who gained their acceptance. He had previously been appointed superior of Sheneset, identified with Qasr al-Sayyad near Nag Hammadi.[^17] After about five years, a revolt fomented by Apollonius, superior of Tmoushons, led Horsiesios to relinquish leadership to Theodorus. The Pbow history dates that transfer to 351 and Horsiesios’s recovery of leadership after Theodorus’s death to 368. These later events belong to Petronius’s legacy through his choice of successor, not to his own brief administration.[^17][^16] ## Theology and spiritual meaning ### Life in Christ and purity of heart The account of Petronius’s foundation expresses its purpose in the invitation to those who wished “to live in Christ.” His withdrawal from the world, the participation of his household, and the gathering of other monks are presented together as a movement into a shared religious life.[^2] His spiritual authority is explained through purity of heart and discernment. The biographical entry explicitly connects his purity with the revelations granted to him, while the Theodorus article connects his discernment with Pachomius’s decision to entrust him with wider leadership. In these accounts, responsibility for monasteries rests on spiritual judgment as well as demonstrated ability to govern.[^4][^5] The broader description of the father’s office reinforces this emphasis: visiting, comforting, and preaching were central responsibilities. Petronius’s elevation therefore placed a monk praised for discernment in an office defined substantially by care for the brothers and the proclamation of God’s word.[^14][^5] ## Liturgical commemoration and communal practice Petronius’s feast day is given as 27 Abib both in his biographical entry and in the encyclopedia’s listing of saints. This is the explicit liturgical commemoration supplied for him.[^1][^18] The congregation he briefly headed assembled at Pbow twice each year. One meeting was for the holy Pascha, celebrated with fasting and the Word of God, and concluded with the baptism of catechumen monks. The other took place in Misra, at the end of the Coptic year, and probably began with the practical purpose of presenting material accounts to the great steward.[^19] These practices describe the common life of the Pachomian congregation, not observances instituted by Petronius personally. They nevertheless provide the liturgical and practical setting of the office he inherited: the dispersed monasteries were united through common worship, instruction, and administration.[^19][^14][^15] ## Texts, terminology, and historical testimony ### Koinonia and place-name forms *Koinonia*, translated as “community,” is the central term for the congregation Petronius led. The encyclopedia notes its early technical use in Coptic as well as Greek for the whole body of Pachomian monasteries. In this setting, calling Petronius the community’s “father” identifies his role over the congregation, distinct from the leadership of an individual monastery.[^13][^14] The monastery to which Pachomius transferred him appears as **Tesmine** in Petronius’s biography and **Tsmine** in the succession narrative and the Theodorus article. The geographical accounts similarly give **Diospolis Parva (Hiw)** for the diocese of his birth and **Hou (today Hiw)** for the nome containing Pjoj.[^2][^4][^5][^6][^8] ### The Lives of Pachomius Petronius’s biography draws attention to brief references in the *Life of Pachomius*, which show the esteem in which Pachomius, Horsiesios, and Saint Theodorus of Alexandria held him. The Theodorus of Alexandria named here is distinct from Theodorus of Tabennese, whose role in the succession is discussed in the other entries.[^20][^11] The Horsiesios article provides specific textual references for the succession accounts. It cites SBo 121 and G1 114 for Pachomius’s appointment of Petronius, and SBo 130 and G1 117 for Petronius’s appointment of Horsiesios. SBo designates the *Life of Pachomius* known through the Bohairic version and fragmentary Sahidic manuscripts; G1 designates the first Greek *Life*.[^10] ### Later remembrance with Pachomius and Shenute Petronius also appears in the account of Abraham of Farshut. After Abraham was driven from Pbow and established a monastery near his birthplace, the narrative reports that Pachomius, Petronius, and Shenute appeared to announce Abraham’s death and identify Theophilus as his successor.[^21] This reported appearance places Petronius alongside other authoritative monastic figures in a later account concerned with death and succession. It also echoes the principal role for which his own biography remembers him: receiving leadership from Pachomius and passing it to Horsiesios. The appearance belongs to the reported visionary tradition about Abraham, rather than to Petronius’s earthly career.[^21][^4] ## Significance in Coptic Orthodox remembrance Petronius is remembered as both a founder who brought his own community into the Pachomian congregation and the first monk to succeed Pachomius at its head. His short tenure should therefore be distinguished from the longer preparation described in the sources: founding Tbow, adopting the congregation’s rules, governing Tesmine, and supervising other monasteries.[^1][^2][^3][^4] His feast on 27 Abib provides the explicit commemorative focus, while the biographical tradition emphasizes purity of heart, discernment, and faithful transmission of leadership. The combination of these themes gives his brief headship its significance within the early history of the Pachomian community.[^18][^4][^5] ## Frequently asked questions **Who was Saint Petronius?** Saint Petronius was a fourth-century monk, founder of the monastery of Tbow, and disciple of Saint Pachomius. He briefly succeeded Pachomius as head of the Pachomian koinonia, the congregation of its monasteries. **When is Saint Petronius’s feast day?** His feast day is 27 Abib. **Which monastery did Saint Petronius found?** Petronius founded Tbow on property belonging to his parents and later asked Pachomius to receive its monks into the Pachomian community. Pachomius visited and established there the rules followed by the congregation’s other monasteries. **Who succeeded Saint Petronius?** Petronius named Horsiesios as his successor. Already ill when appointed to lead the congregation, Petronius died only a few months after Pachomius. **When did Saint Petronius die?** The Coptic Encyclopedia dates his death to 21 July 346. ## Sources [^1]: The Coptic Encyclopedia, Volume 6, Aziz S. Atiya (Editor in Chief) (p. 634) [^2]: The Coptic Encyclopedia, Volume 6, Aziz S. Atiya (Editor in Chief) (p. 634) [^3]: The Coptic Encyclopedia, Volume 6, Aziz S. Atiya (Editor in Chief) (p. 634) [^4]: The Coptic Encyclopedia, Volume 6, Aziz S. Atiya (Editor in Chief) (p. 634) [^5]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 484) [^6]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 421) [^7]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 421) [^8]: Saint Pachomius: Father of the Koinonia, Rodolph Yanney, M.D. (p. 33) [^9]: Saint Pachomius: Father of the Koinonia, Rodolph Yanney, M.D. (p. 33) [^10]: The Coptic Encyclopedia, Volume 4, Aziz S. Atiya (Editor in Chief) (p. 642) [^11]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 484) [^12]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 484) [^13]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 783) [^14]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 783) [^15]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 783) [^16]: The Coptic Encyclopedia, Volume 6, Aziz S. Atiya (Editor in Chief) (p. 564) [^17]: The Coptic Encyclopedia, Volume 4, Aziz S. Atiya (Editor in Chief) (p. 642) [^18]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 133) [^19]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 783) [^20]: The Coptic Encyclopedia, Volume 6, Aziz S. Atiya (Editor in Chief) (p. 634) [^21]: The Coptic Encyclopedia, Volume 1, Aziz S. Atiya (Editor in Chief) (p. 36)