Bernard Gui

Timeline

1. 1261–1307Toulouse · OccitanieAfter joining the Dominican Order he received training and held ecclesiastical offices in Toulouse and elsewhere, becoming familiar with the remnants of the Cathars in the Languedoc region and the Church's policy toward heresy, laying the foundation for his later appointment as inquisitor.
2. 1307–1324Toulouse · OccitanieAppointed inquisitor of heresy for the Toulouse region in 1307, he presided over interrogations and sentences against groups such as the Cathars and Beguines, and in the 1320s took part in famous cases including Montaillou, renowned for his systematic inquisitorial records.
3. 1324–1331Limoux · OccitanieAfter stepping down as inquisitor in 1324, he wrote the Practica inquisitionis, summarizing interrogation procedures, types of heresy, and standards for sentencing; he died at Limoux on December 30, 1331, leaving behind a large body of inquisitorial records for later study.