# Judas Cyriacus

Source: https://coptic-lore-forge.lovable.app/wiki/judas-cyriacus — Coptic Orthodox Wiki (updated 2026-10-04)

Judas Cyriacus is a saint and bishop of Jerusalem associated in Christian legend with the discovery of Christ’s cross. Although traditionally identified as a second-century bishop, his chronology is disputed. Coptic, Greek, and Syriac traditions connect him with Helena, conversion to Christianity, episcopal consecration, and martyrdom under Julian the Apostate.

## Overview

**Judas Cyriacus** is a saint and bishop of Jerusalem whose name stands at the intersection of episcopal history and the Christian legends of the discovery of Christ’s cross. The Coptic Encyclopedia introduces him as a second-century bishop, but immediately insists that his historical identity must be distinguished from the later narratives surrounding him. Those narratives connect a Jewish man named Judas with Helena’s search for the cross, his baptism under the name Cyriacus, his appointment as bishop, and his eventual martyrdom under Julian the Apostate.[^1][^7][^8]

His importance in Coptic literature extends beyond an individual saint’s biography. The encyclopedia describes three connected discovery traditions, circulating in almost all the languages of the Christian East, and interprets the figure of Judas in Coptic texts as a symbol of Jerusalem’s growing autonomy from Byzantium. The resulting tradition combines the memory of Jerusalem’s bishops with accounts of sacred places, imperial patronage, miraculous identification of the cross, and persecution.[^3][^4][^8][^11]

## History and origins

### The bishop in Eusebius’s succession list

Eusebius of Caesarea is identified as the earliest witness to Judas as the fifteenth bishop of Jerusalem in the succession beginning with James, the Lord’s brother. The chronology reported in the encyclopedia places Judas’s accession in 135. It also places the death of Symeon, the second bishop, in 107, at the age of 120, leaving thirteen bishops within a notably compressed interval.[^1]

The encyclopedia explains this difficulty as the result of Eusebius harmonizing independent sources. His information about Symeon came from Hegesippus; his notice of the third bishop, Justus Barsabas, came from Papias; and his account of Mark, Jerusalem’s first non-Jewish bishop, came from Aristo of Pella. The succession list is therefore treated as a composite historical construction rather than a chronology that can be accepted without qualification.[^2]

The same discussion suggests that the historical Judas may have lived later, perhaps with an episcopate a century after the conventional dating. It connects this possibility with the existence of both a Judeo-Christian hierarchy and a Gentile hierarchy. This is a proposed explanation of the evidence, not a securely established replacement date: the source retains the conventional second-century identification while explicitly questioning its chronological foundations.[^1][^2]

### From episcopal memory to discovery legend

The legends centered on Judas developed as early as the fourth century. The encyclopedia groups them into three connected versions: Helena’s discovery of the cross, Judas’s martyrdom under Julian, and an earlier discovery associated with Protonike, the wife of Claudius. Only one is said to survive in Coptic in a sufficiently accurate form, although the other traditions also influenced Judas’s characterization in Coptic literary works.[^3][^8][^10]

The different chronological settings are essential to understanding the material. A bishop placed in the second century by the historical succession tradition cannot simply be identified, without explanation, with the participant in Helena’s discovery and the martyr under Julian described by later narratives. The encyclopedia accordingly treats the material as layered tradition, while suggesting that particular details may preserve traces of an older memory of Judas.[^1][^2][^5][^17]

One such detail is the statement that Helena’s discovery occurred in the “233rd year of the Resurrection.” The encyclopedia proposes that this unusual chronological notice might preserve a vestige of Judas’s actual episcopate. It does not resolve the discrepancy by supplying a definitive modern date for his life.[^5][^17]

## The three connected legends

### Helena’s discovery of the cross

The Helena narrative begins with Constantine receiving a vision of the cross on the banks of the Danube in the seventh year of his reign. The vision promises victory; Constantine subsequently receives Baptism from Eusebius of Rome and sends his mother Helena to the Holy Land on a pilgrimage-like mission. These events belong to the legend’s framework and should not be confused with the encyclopedia’s discussion of historically recoverable evidence.[^4]

In Jerusalem, Helena questions Jewish dignitaries about their traditions and the whereabouts of the cross. Judas, himself Jewish, refuses to disclose its hiding place. He is consequently thrown into a pit for seven days. When he emerges, he recites a long prayer in Hebrew; the earth trembles, and the holy relics of the crucifixion appear.[^5][^6]

The discovery produces three crosses, so an additional sign is needed to identify the one belonging to Jesus. A dead young man lying nearby returns to life when Christ’s cross is presented to him. Within the narrative, the miracle distinguishes the particular cross from the other two: finding the objects and establishing which one is Christ’s are separate stages of the discovery.[^6]

The devil then appears to Judas and predicts that he will suffer martyrdom for what the devil calls his treasonable action. Helena baptizes Judas under the name Cyriacus and obtains the title of bishop of Jerusalem for him from Eusebius of Rome. The episode thus connects discovery, conversion, episcopal authority, and future suffering within a single narrative sequence.[^7]

The name **Cyriacus** is explained here through the baptismal event, rather than through an etymology. The passage gives no Coptic, Arabic, or Greek spelling of the name and does not provide the wording of Judas’s Hebrew prayer.[^6][^7]

### Martyrdom under Julian the Apostate

The second legend recounts the martyrdom of Judas Cyriacus under Julian the Apostate. According to the encyclopedia, the best form of the Greek account remained unpublished at the time of its discussion. A corresponding Coptic version, however, was edited by I. Guidi in 1904 from **Vatican Coptic codex 62**.[^8]

This Coptic manuscript differs from the Greek text and other versions by introducing Judas’s Passion with Helena’s discovery of the cross. In the other Greek and Syriac accounts described by the source, the earlier events emerge when Julian questions Judas. Judas reveals his identity by recalling his consecration as bishop by Eusebius of Rome at the time of Helena’s visit to Jerusalem.[^8][^9]

The difference is important for the literary relationship between the two legends. The Coptic manuscript places the discovery before the Passion as its narrative introduction, whereas the other accounts recall it through Judas’s testimony during interrogation. Both arrangements connect the bishop’s martyrdom with his earlier role in the discovery, but they make that connection in different ways.[^8][^9]

Judas is not the only martyr in this account. His mother, **Anna**, and a magus named **Admon** suffer martyrdom with him. An unpublished Greek manuscript identified as **Sinai, Gr. 493** gives the precise date as **25 May 362**, in the month of **Artemisius**. This date belongs to the martyrdom tradition; the passage does not establish it as a Coptic feast day.[^9]

### Protonike and the first discovery

The third legend survives only in Syriac and was incorporated into the *Doctrina Addai* in two sixth-century manuscripts. It moves the first discovery of the cross back to the time of Emperor Claudius. His wife, **Protonike**, witnesses the miracles of Simon Cephas, identified as Peter, in Rome and comes to believe in Christ.[^10]

Protonike travels with her two daughters and her son to Jerusalem, where she approaches James, the Lord’s brother and bishop of the city. She asks to see Golgotha, the cross, and the tomb. Because the holy places are held by the Jews in this narrative, she summons three priests—**Onias ben Hannan, Guedalla ben Kajapha, and Judas ben Ebedshalom**—to lead her to them.[^10]

When Protonike reaches the three crosses, one of her daughters suddenly dies. The daughter is restored to life through the Lord’s cross, thereby identifying it. This episode parallels the restoration of the young man in the Helena account: in both narratives, a return to life establishes which of the three crosses belongs to Christ.[^6][^10]

After returning to Rome, Protonike induces Claudius to issue an edict against the Jews. The legend subsequently connects this with persecution of Symeon, Jerusalem’s second bishop, under Trajan. A figure named **Niketas** takes the cross and buries it at a depth equivalent to the height of twenty men. The narrative states that it remains hidden through the reigns of thirteen bishops until Judas discovers it for the second time.[^11]

This earlier discovery supplies an explanation for the later concealment and rediscovery. The encyclopedia explicitly observes that the tradition needed to explain why the cross had been buried in the first place. The Protonike story therefore complements, rather than merely duplicates, Helena’s discovery by providing a prior history for the relic.[^11][^16]

## Theology and meaning

### The cross as a sign of life

The two discovery narratives identify Christ’s cross through the restoration of a dead person to life: the young man in Helena’s story and Protonike’s daughter in the Syriac account. Their narrative emphasis falls not simply on the recovery of an ancient object, but on a miraculous demonstration of the identity of the Lord’s cross. The parallel is especially significant because the stories otherwise belong to different imperial and episcopal settings.[^6][^10]

In the Helena account, Judas’s prayer and the trembling earth precede the revelation of the relics. His baptism and episcopal appointment follow the identifying miracle, while the devil’s warning anticipates his martyrdom. These connected events give the discovery a meaning extending beyond archaeology or local memory: within the legend, it transforms Judas’s religious identity and determines the course of his subsequent witness.[^6][^7]

### Jerusalem’s authority and apostolic connections

The encyclopedia interprets Judas’s role in Coptic literature as a symbol of Jerusalem’s increasing autonomy from Byzantium. It also connects the development of the earlier discovery narrative with a desire to justify direct dependence on James of Jerusalem. The traditions therefore concern ecclesiastical authority as well as the recovery of a relic: their accounts of bishops and sacred places establish connections between the cross and Jerusalem’s earliest Christian leadership.[^3][^16]

The proposed historical background to Protonike’s story further illustrates this process. Under Claudius, **Helena of Adiabene**, who was Jewish, traveled to Jerusalem and offered gold utensils for the Temple. The encyclopedia links her with the family of Berenice, or Protonike, and argues that her memory was Christianized through association with the later Helena. This is presented as an explanation of how the legend developed, not as another episode in Judas’s demonstrable biography.[^16]

### Imperial memory and polemic

The encyclopedia considers the Coptic tradition apparently earlier than the Greek form that opens with Constantine’s vision on the Danube. It interprets that Greek opening as a polemical reworking of imperial memory, aimed at discrediting Constantius II, described in the source as Arian.[^12]

The comparison concerns a letter that Cyril of Jerusalem addressed to Constantius in 351 in connection with the battle of Mursa and Constantius’s victory at the Danube. According to the encyclopedia’s interpretation, the legend transferred the vision back to 312, Constantine’s seventh regnal year. It dates this particular composition to about 400, distinguishing its elaborated form from the earlier emergence of discovery legends during the fourth century.[^3][^12][^13]

## Texts, manuscripts, and literary transmission

### Distinctive Coptic witnesses

The Coptic tradition is represented not only by the Passion in Vatican Coptic codex 62 but also by a **panegyric on the cross attributed to Cyril of Jerusalem**. The encyclopedia points to this panegyric as evidence of the tradition’s originality. E. A. Wallis Budge published its text from a London manuscript in **1915**, and A. Campagnano published it from a Pierpont Morgan Library manuscript in **1980**.[^8][^15]

The attribution to Cyril should be retained as an attribution, rather than converted into a claim of certain authorship. Likewise, the encyclopedia’s statement that one of the three principal traditions survives accurately in Coptic does not mean that the other traditions had no Coptic influence: it expressly notes their effect on more than one Coptic literary text.[^3][^15]

There is an ambiguity in the discussion of the Guidi manuscript. After explaining that its Passion begins with Helena’s discovery, the encyclopedia remarks that this may explain the “nonexistence of the text in Coptic.” Since the same paragraph explicitly identifies a surviving Coptic version, the remark cannot safely be treated as a denial of that manuscript’s existence; its precise referent remains unclear in the supplied passage.[^8]

### The cycle of martyrs under Julian

A separate discussion of hagiography places Judas’s Passion within a cycle of martyrs under Julian. It distinguishes that cycle from the martyr traditions associated with Diocletian and describes it as conceived after Julian’s coming in 362. The cycle is also connected with the rise of legends concerning Constantine’s birth and the discovery of the cross.[^18]

The same discussion names the Passion of **Eusignius** and the miracle described in the Passion of **Mercurius of Caesarea** alongside Judas Cyriacus. This literary setting helps explain why Judas’s story connects an imperial discovery narrative with a later persecution: the encyclopedia treats such connections as features of a broader hagiographic cycle, not merely as isolated details of one saint’s life.[^18]

### Inclusion in Dormition literature

The cycle of the finding of the cross and Judas Cyriacus also entered a six-book account of the Dormition of Mary. The encyclopedia describes this work as based on Syriac models and represented by copies going back to the sixth century. Its framing story concerns a book attributed to the apostle John, discovered at Ephesus by three monks from Sinai at the invitation of Cyril of Jerusalem.[^19]

The inclusion of Judas’s cycle in this account shows the tradition’s reach beyond texts devoted specifically to the cross or to martyrdom. In the work described, the discovery material forms part of a larger narrative of apostolic authority and Marian history. The passage establishes this literary connection without supplying a separate biography of Judas within the Dormition account.[^19]

## Variations and unresolved historical questions

The discovery traditions do not agree uniformly about the bishop associated with Helena. Saint Ambrose knew the Helena legend in **395**, in connection with the death of Theodosius the Great. In Rufinus, writing at the beginning of the fifth century, **Macarius** is the bishop associated with the discovery; Socrates and Sozomen likewise identify Macarius as bishop of Jerusalem.[^14]

An old Latin discovery legend preserves another arrangement: Macarius dies before Judas Cyriacus is appointed. This version allows both bishops to appear in succession, whereas the Helena narrative summarized earlier gives Judas his episcopal title after the discovery. These accounts should be reported as differing traditions rather than combined into a single, supposedly settled episcopal chronology.[^7][^17]

The principal unresolved question is therefore not simply the date of Judas’s death, but how the historical bishop relates to the later literary figure. The evidence discussed in the encyclopedia includes a conventional accession in 135, a proposed later episcopate, the enigmatic “233rd year of the Resurrection,” and a martyrdom date of 25 May 362 in one Greek witness. Each belongs to a particular source or interpretation, and the encyclopedia does not resolve them into a secure continuous life.[^1][^2][^5][^9]

The supplied saints list repeats the identification of Judas Cyriacus as a second-century bishop associated in legend with the discovery of the cross, but gives no feast day for him. The passages establish his place in Coptic hagiography and cross-related literature; they do not provide a specific modern observance, hymn, prayer text, or liturgical rubric in his honor.[^20][^3][^15]

Taken together, the traditions preserve two related but distinguishable subjects: the memory of Judas among Jerusalem’s bishops and the extensive literary career of Judas Cyriacus as discoverer, convert, bishop, and martyr. Maintaining that distinction makes it possible to describe both the historical uncertainties and the significance that Coptic and other Eastern Christian narratives assigned to him.[^1][^2][^3][^7][^9]

## Frequently asked questions

**Who was Saint Judas Cyriacus?**
Judas Cyriacus was a bishop of Jerusalem associated in legend with the discovery of Christ’s cross. The Coptic Encyclopedia identifies him as a second-century bishop but also discusses reasons for questioning that chronology.

**How did Judas Cyriacus find the cross?**
In the Helena legend, Judas initially refuses to reveal the cross’s location and is confined in a pit for seven days. After his release, his prayer is followed by an earthquake and the appearance of the relics; Christ’s cross is identified when it restores a dead young man to life.

**Why is Judas called Cyriacus?**
According to the discovery legend, Helena baptizes Judas under the name Cyriacus after the cross is found. She then obtains his appointment as bishop of Jerusalem from Eusebius of Rome.

**When was Judas Cyriacus martyred?**
The martyrdom legend places his death under Julian the Apostate, together with his mother Anna and a magus named Admon. A Greek manuscript identified as Sinai, Gr. 493 gives 25 May 362, but this is a date within the legendary tradition rather than an independently established historical chronology.

**Does Judas Cyriacus appear in Coptic literature?**
Yes: a Coptic account of his martyrdom survives in Vatican Coptic codex 62 and was edited by I. Guidi in 1904. His story also belongs to the wider literary cycle of the discovery of the cross, which influenced several Coptic texts.

## Sources
[^1]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 66)
[^2]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 66)
[^3]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 66)
[^4]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 66)
[^5]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 66)
[^6]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 67)
[^7]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 67)
[^8]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 67)
[^9]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 67)
[^10]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 67)
[^11]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^12]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^13]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^14]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^15]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^16]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^17]: The Coptic Encyclopedia, Volume 5, Aziz S. Atiya (Editor in Chief) (p. 68)
[^18]: The Coptic Encyclopedia, Volume 4, Aziz S. Atiya (Editor in Chief) (p. 469)
[^19]: The Coptic Encyclopedia, Volume 1, Aziz S. Atiya (Editor in Chief) (p. 712)
[^20]: The Coptic Encyclopedia, Volume 7, Aziz S. Atiya (Editor in Chief) (p. 128)