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| Pierre de Thury | |
|---|---|
| Name | Pierre de Thury |
| Birth date | c. 1330s |
| Birth place | Avallon, Burgundy |
| Death date | 1410 |
| Death place | Avignon |
| Occupation | Cardinal, diplomat, canonist |
| Nationality | French |
| Known for | Role in the Western Schism, papal diplomacy |
Pierre de Thury was a fourteenth–century French prelate and canonist who became a cardinal during the turbulent years of the Western Schism. Active as a papal chaplain, auditor, and envoy, he participated in high-level negotiations among courts such as France, England, Castile, Aragon, and the curia in Avignon. His career intersected with figures including Pope Clement VII (Avignon)],] Pope Benedict XIII, King Charles VI of France, Duke Louis I of Anjou, and envoys of Pope Urban VI and Pope Gregory XII.
Born in the diocese of Autun near Avallon in Burgundy, Thury belonged to a minor noble family that held local seigneurial ties to houses in Burgundy (duchy), Burgundy (historic region), and the networks of the Capetian and Valois courts. His early patronage connections linked him to canons and bishops of Auxerre and Langres, and to the university circles in Paris where many Burgundian clerics matriculated. Family ties facilitated introductions to leading ecclesiastical patrons such as Jean de Berry and the Angevin house of Louis I, Duke of Anjou.
Thury’s clerical advancement followed a customary medieval path of benefices and legal training: he obtained degrees in canon law and served as a canon of Saint-Étienne de Bourges and as archdeacon in several dioceses, interacting with prelates including the bishops of Poitiers and Bordeaux. He became a papal chaplain in the curia of Avignon and held auditor functions that brought him into cases before the tribunal presided over by cardinal-bishops and papal penitentiaries. His expertise placed him alongside jurists from University of Toulouse, University of Orléans, and the University of Bologna tradition of decretal interpretation.
Emerging during the contested elections after Pope Gregory XI’s death and the subsequent schism that produced Urban VI and Clement VII (Avignon), Thury aligned with the Avignon obedience. He served as envoy in negotiations aimed at resolving divisions among claimants such as Boniface IX and later engaged with the Council movements inspired by assemblies like the Council of Pisa (1409). Thury’s diplomacy brought him into contact with proponents of conciliarism, supporters of papal legitimacy including members of the French royal council, and agents of Italian communes such as Florence and Venice seeking stability.
As papal auditor and diplomat, Thury was dispatched on missions to secular and ecclesiastical rulers: he negotiated with delegations from England and Scotland over obedience and benefices, argued claims involving Castile and Aragon court interests, and interfaced with envoys of the Holy Roman Empire and the Kingdom of Naples. In the curial administration he worked with cardinals including Pierre d’Ailly, Jean de la Grange, and Gerlier of Jonvelle on petitions, annulments, and dispensations, and he participated in consistories that debated taxation and crusading funds tied to conflicts such as those in Iberia and against Ottoman Empire pressures.
Created cardinal by Pope Clement VII (Avignon), Thury joined the College of Cardinals at a moment of intense factionalism, engaging in conclave politics and in the formulation of strategy vis-à-vis rival claimants Urban VI and later Pope Gregory XII. He mediated between French royal interests of Charles VI of France and papal priorities, balancing Angevin ambitions of Louis II of Anjou with the Burgundian and Armagnac factionalism that shaped late fourteenth–century French policy. Thury’s rank required him to adjudicate contested benefices, supervise diocesan appointments, and weigh in on proposals for a general council to resolve the schism.
Though not prolific as a published theologian, Thury left juridical opinions, letters, and memoranda that circulated within the curial chancery and among jurists of Paris, Bologna, and Padua. His legal reasoning drew on decretal collections such as the Decretals of Gregory IX and on the glosses of jurists like Huguccio and Bulgarus, and responded to conciliarist thinkers including Marsilius of Padua and later colleagues like Jean Gerson. He argued for canonical procedures to determine papal legitimacy, favored negotiated settlement mechanisms, and employed canon law precedents in adjudicating petitions involving monasteries of orders such as the Dominicans and the Franciscans.
Thury died in Avignon in 1410, leaving a reputation as a cautious jurist and experienced negotiator in the service of the Avignon papacy. His papers and correspondence influenced successors in the curia and informed later debates at assemblies such as the Council of Constance that ultimately ended the schism. Historians of late medieval papal politics and canonical practice situate him among cardinals who bridged legal expertise, diplomatic service, and metropolitan administration, alongside contemporaries from France, Italy, and the Iberian realms.
Category:14th-century cardinals