The Priscillian Controversy

Priscillian of Avila was a learned and austere Spanish layman, later bishop, whose ascetic movement of the 370s drew both fervent followers and bitter episcopal enemies who accused it of Manichaeism, Gnosticism, and sorcery. When synods and appeals to Rome and Milan failed to settle the matter, the case was carried before the usurping emperor Magnus Maximus at Trier, where around 385 Priscillian and several companions were tried and beheaded — the first execution of Christians for heresy by a Christian state. This file narrates the controversy and the trials from the primary sources, chiefly Sulpicius Severus, and sets out St. Martin’s intervention: his plea against the killings, his protest against the secular sword and the prosecuting bishops, and his anguished, partial compromise to save other lives.

Tradition: Pan-Orthodox (pre-Schism West; father of Western monasticism)

Priscillian and His Movement

Priscillian emerged in the Spanish provinces in the 370s as the leader of an ascetic renewal movement. Our fullest narrative source, the Chronica (Sacred History) of Sulpicius Severus — a contemporary writing in Gaul within roughly two decades of the events — describes him as a man of noble birth, great wealth, and considerable learning: “ready in speech, learned through much reading, very ready at debate and discussion,” and given to fasting and the disdain of wealth (Sulpicius Severus, Chronica II.46; trans. Roberts, NPNF 2nd ser. 11). The movement enjoined a rigorous asceticism — fasting, withdrawal, the cultivation of Scripture and apocryphal texts, and a discipline that crossed the lines of clergy and laity, men and women, in study and prayer (Chadwick 1976, 1–56).

That last feature — mixed assemblies of men and women, lay leadership, the circulation of apocryphal and ascetic literature — was precisely what alarmed a party of established bishops. The movement spread rapidly through Lusitania and Baetica and won the adherence of bishops Instantius and Salvianus, so that what began as a current of lay enthusiasm became a contest within the episcopate itself (Sulpicius Severus, Chronica II.46–47; Chadwick 1976, 20–34). Priscillian’s modern editor, Henry Chadwick, stresses that the movement is best understood not as a foreign import but as a home-grown Spanish ascetic enthusiasm — “occult and charismatic” in temper, drawing on a wide and not always orthodox range of reading, but rooted in the same monastic impulse that was sweeping the whole fourth-century Church (Chadwick 1976, esp. the title and 8–11).

The Charges and the Dispute Over Them

The accusations against Priscillian were grave and escalating: Manichaeism, Gnostic dualism, magical or astrological practice, and immorality in the mixed assemblies. The principal accusers were Hyginus of Cordova (who first raised the alarm) and, decisively, Hydatius (Ydacius) of Mérida and Ithacius of Ossonuba (Sossuba), who became the relentless prosecutors of the affair (Sulpicius Severus, Chronica II.46–47; Chadwick 1976, 20–43). Sulpicius, no friend of the Priscillianists, nonetheless paints Ithacius in dark colors: a man “of a very evil and audacious disposition,” bold, talkative, extravagant, and “too much given to the pleasures of the belly,” who in his zeal reckoned even holy men with a taste for reading or fasting to be confederates of Priscillian (Sulpicius Severus, Chronica II.50; trans. Roberts).

Whether the charges were true is one of the genuinely contested questions of late-antique scholarship. [Disputed: whether Priscillian was actually a heretic. Chadwick, *Priscillian of Avila* (1976), after editing the Würzburg tractates discovered in 1885, judges Priscillian an enthusiast whose theology was eccentric and imprudent — drawing on apocrypha and a charismatic, quasi-dualist spirituality — but who repeatedly affirmed his orthodoxy and was condemned more for indiscipline and the threat he posed than for proven Manichaeism (Chadwick 1976, 57–96, 138–48); Virginia Burrus, *The Making of a Heretic* (1995), goes further, arguing that "Priscillian the heretic" was substantially a construction of his opponents' rhetoric — that the charges, especially of sorcery and sexual irregularity, were weapons forged to discredit a rival ascetic authority and to police the boundaries of gender and episcopal power, rather than reliable descriptions of his teaching (Burrus 1995, 1–25, 79–101). Against the most exculpatory readings, others note that the surviving tractates do contain unusual and ascetically extreme elements, and that the apocryphal reading and astrological language gave the charges some purchase (Chadwick 1976, 97–137).] The Würzburg tractates — eleven treatises recovered in 1885 and edited by Georg Schepss, several plausibly by Priscillian himself — show a writer at pains to anathematize Manichaeism and to profess catholic faith, which is why few modern scholars accept the heresiological caricature at face value (Chadwick 1976, 62–69).

Synods, Rome, and Milan

The controversy first ran through the ordinary channels of the Church. A synod at Saragossa (Caesaraugusta) in 380 issued canons against the ascetic practices the Priscillianists favored — though, significantly, it did not condemn Priscillian by name (Chadwick 1976, 12–19). In response, and as if in defiance, Priscillian’s supporters had him consecrated bishop of Avila, raising the stakes by giving the movement a place in the episcopate (Sulpicius Severus, Chronica II.47; Chadwick 1976, 34–37). Ithacius and Hydatius then secured a rescript from the emperor Gratian expelling the Priscillianist leaders from their churches; Priscillian, Instantius, and Salvianus traveled to Italy to appeal (Sulpicius Severus, Chronica II.47–48).

There they were rebuffed by the two greatest authorities of the Western Church. Pope Damasus at Rome declined to receive them, and Ambrose of Milan likewise refused them a hearing (Sulpicius Severus, Chronica II.48; Chadwick 1976, 38–43). Yet by intrigue and the payment of bribes at court — Sulpicius alleges the influence of the magister officiorum Macedonius — the Priscillianists obtained a counter-rescript restoring them to their churches, and Ithacius, now himself in legal jeopardy, fled to Gaul (Sulpicius Severus, Chronica II.48–49). The dispute had become a matter for the imperial chancery as much as for the synods, and it was at this point that the political ground shifted catastrophically beneath all parties.

The Appeal to Magnus Maximus and the Trials at Trier

In 383 Magnus Maximus, commander in Britain, was proclaimed emperor by his troops, crossed to Gaul, defeated and killed Gratian, and established his court at Trier (Augusta Treverorum). A usurper in need of legitimacy and the goodwill of the Western episcopate, Maximus was receptive when Ithacius brought the Priscillianist case before him (Sulpicius Severus, Chronica II.49; Chadwick 1976, 132–48). A synod was convened at Bordeaux (c. 384); there Instantius was condemned and deposed, and Priscillian — refusing to submit his case to the bishops — appealed to the emperor, transferring his cause from the ecclesiastical court to the secular tribunal (Sulpicius Severus, Chronica II.49–50). Sulpicius regards this appeal as a fatal error, and modern historians agree: by carrying a doctrinal dispute to the throne, Priscillian put his life into the hands of a power that judged by the criminal law, not by the canons (Chadwick 1976, 132–38; Stancliffe 1983, 278–80).

At Trier the matter was tried not as heresy — which the imperial law did not yet punish with death — but as sorcery (maleficium), a capital crime, with the additional charge that Priscillian had studied obscene doctrines, held nocturnal gatherings with disreputable women, and prayed naked (Sulpicius Severus, Chronica II.50–51; Chadwick 1976, 138–48). Under examination — including, the sources suggest, torture — Priscillian was made to confess, and around 385 he was condemned and beheaded together with several companions: among them the noblewoman Euchrotia and the cleric Latronian are named, with others executed then or shortly after, and still others banished (Sulpicius Severus, Chronica II.51; Chadwick 1976, 144–48). This was the decisive novelty of the affair: for the first time, persons condemned in substance for their religious teaching were put to death by a Christian emperor’s court — the first executions of Christians for heresy by a Christian state (Chadwick 1976, 138; Brown 2003, 73–74). Even the prosecutor’s allies were uneasy; Sulpicius records that the killings were carried out over the protest of better men, and that the affair left a lasting stain (Sulpicius Severus, Chronica II.50–51).

Martin at Trier

St. Martin of Tours stands at the center of the moral drama because he was at Trier and intervened. Sulpicius, his disciple and biographer, gives two overlapping accounts — in the Chronica and, more vividly, in the Dialogi — and his testimony is the more weighty because he plainly wishes to defend his master’s reputation against the charge that Martin had, at the last, compromised.

Martin had come to Trier on other business — to plead for the lives of certain followers of the dead Gratian and to intercede in worldly matters at the usurper’s court — and while there he threw himself into the Priscillianist affair on the side of mercy (Sulpicius Severus, Dialogi 3.11; Chronica II.50). His protest was twofold and is reported consistently. First, he opposed the death penalty: it was, he held, “a sufficient and unheard-of novelty” that a secular judge should decide a cause belonging to the Church, and a horror that the matter should be settled by the executioner at all (Sulpicius Severus, Chronica II.50; trans. Roberts; Stancliffe 1983, 278–80). Second, he opposed the intrusion of the secular and military power and of the prosecuting bishops into a doctrinal question; he “kept earnestly entreating Maximus to refrain from the blood of the unhappy persons,” urging that it was enough and more than enough that they had been judged heretics by episcopal sentence and cast out of their churches — “a new and unheard-of kind of cruelty, that a secular ruler should be the judge in an ecclesiastical cause” (Sulpicius Severus, Chronica II.50; trans. Roberts). And he refused communion with Ithacius, Hydatius, and the bishops who had pressed the prosecution, holding them complicit in the bloodshed (Sulpicius Severus, Dialogi 3.11–12; Chadwick 1976, 132–37).

So long as Martin remained at Trier, Sulpicius says, the executions were stayed; Maximus, who held the holy bishop in awe, promised him that no blood would be shed (Sulpicius Severus, Dialogi 3.11). But after Martin departed, the prosecuting bishops, fearing he might undo their work, prevailed on the emperor to send tribunes with absolute power into Spain, and the killing went forward (Sulpicius Severus, Chronica II.51; Dialogi 3.11–12).

The Compromise and Martin’s Regret

The most painful — and most disputed — moment came afterward. Maximus required Martin, before he left, to enter into communion with Ithacius and the other bishops, as the price of imperial favor for the men whose lives Martin had come to save and for the safety of the churches that the usurper’s soldiers were threatening in Spain. According to Sulpicius, Martin long held out; but when the lives of others hung on his consent, he at last shared in a single communion with the bishops he had condemned — and immediately repented of it (Sulpicius Severus, Dialogi 3.12–13; Stancliffe 1983, 278–83).

Sulpicius, anxious to vindicate his master, frames the compromise as a tragic and grudging act of charity rather than a capitulation, and reports its sequel as a divine confirmation of Martin’s deeper rectitude. On his journey home, Sulpicius says, Martin was overcome with grief at having communicated even once with the guilty party, and as he sat by the road an angel appeared to him: the angel told him that he had rightly been pricked in conscience, but that there had been no other way, and that he must “recover his virtue” and beware lest he imperil not only his reputation but his salvation (Sulpicius Severus, Dialogi 3.13; trans. Roberts). Thereafter, Sulpicius adds, Martin was more cautious of associating with that party, and his power in healings and over demons was for a time diminished, then restored — a sign, in the hagiographer’s reading, that the compromise had been a real wound even though forced by love (Sulpicius Severus, Dialogi 3.13).

This vision is reported here as what the Dialogi attest — the claim of Sulpicius Severus, set down to interpret and defend his master’s conduct — and not as an independently established fact (METHODOLOGY §3.5). Whatever one makes of the angelic appearance, the human testimony is plain: Martin came to regret the single communion for the rest of his life. Sulpicius elsewhere records that Martin, after this episode, never again attended a synod or kept company with the assemblies of bishops, so deep was his revulsion at the entanglement of the episcopate with the imperial sword (Sulpicius Severus, Dialogi 3.13; Stancliffe 1983, 281–83).

The Wider Condemnation

Martin was not alone in his horror, and this is essential to seeing that his stand expressed the conscience of the better part of the contemporary Church rather than an idiosyncrasy. Ambrose of Milan, who had already refused the Priscillianists a hearing as suspected heretics, nonetheless condemned the executions and the bishops who had procured them, and he too declined communion with Ithacius and his party (Chadwick 1976, 132–37; see St. Ambrose of Milan). At Rome, Pope Siricius likewise repudiated the affair (Chadwick 1976, 149–58). The reaction was severe enough that Ithacius was eventually deposed from his see and Hydatius resigned, the Church recoiling from the precedent its own bishops had set (Sulpicius Severus, Chronica II.51; Chadwick 1976, 149–58). The judgment of Sulpicius — that the controversy “by the discord of the bishops” was “thrown into the greatest confusion,” and that everything was thereafter “disturbed and confounded” by ambition and obstinacy on every side — is itself a contemporary verdict that the killing of Priscillian was a defeat for the Church even where it was a victory for his accusers (Sulpicius Severus, Chronica II.51; trans. Roberts).

The questions the affair left open — whether the state may ever kill for belief, whether bishops who invoke the secular arm corrupt their office, and how all this squares with the emerging ideal of a Christian empire enforcing orthodoxy — are taken up in the companion file (see Church and Coercion).

References

Sulpicius Severus. Chronica (Historia Sacra / The Sacred History) II.46–51. Trans. Alexander Roberts, Nicene and Post-Nicene Fathers, Series II, Vol. 11. Oxford and New York: Christian Literature Company, 1894. (The narrative of Priscillian’s rise, the synods of Saragossa and Bordeaux, the appeals to Rome and Milan, the appeal to Maximus, the trials and executions at Trier, the portrait of Ithacius, and Martin’s plea against the death penalty and against secular judgment in an ecclesiastical cause; II.50–51.)
Sulpicius Severus. Dialogi (Dialogues) 3.11–13. Trans. Alexander Roberts, NPNF 2nd ser., Vol. 11. 1894. (Martin at Trier; his entreaty to Maximus; the stay of execution while he remained; his refusal of and forced single communion with Ithacius’s party; his regret; and the angelic vision on the road home; 3.11–13.)
Sulpicius Severus. Vita Martini (Life of St. Martin). Trans. Alexander Roberts, NPNF 2nd ser., Vol. 11. 1894; also F. R. Hoare, The Western Fathers. London: Sheed & Ward, 1954.
Chadwick, Henry. Priscillian of Avila: The Occult and the Charismatic in the Early Church. Oxford: Clarendon Press, 1976. (The standard study; the Würzburg tractates, the movement’s character, the synods, the trials at Trier as the first capital condemnation for heresy, and the wider condemnation by Ambrose and Siricius; pp. 1–158.)
Burrus, Virginia. The Making of a Heretic: Gender, Authority, and the Priscillianist Controversy. Berkeley: University of California Press, 1995. (Argues that “Priscillian the heretic” was substantially a rhetorical construction of his opponents; pp. 1–101.)
Stancliffe, Clare. St. Martin and His Hagiographer: History and Miracle in Sulpicius Severus. Oxford: Clarendon Press, 1983. (On Martin’s conduct at Trier, the compromise, and Sulpicius’s defense of it; pp. 278–83.)
Brown, Peter. The Rise of Western Christendom: Triumph and Diversity, A.D. 200–1000. 2nd ed. Oxford: Blackwell, 2003. (The Trier executions as a landmark in the criminalization of heresy; pp. 73–74.)