No one knows exactly how many people perished because of the Inquisition, but heretics put to death during the Spanish Inquisition comprised percent of. of people killed directly or indirectly by the Papacy during the Middle Ages. . " dissident" Christians by the Roman Catholic Church during the Inquisition. and how many millions more must have been killed during the entire Middle Ages!. The Tribunal of the Holy Office of the Inquisition commonly known as the Spanish Inquisition The Inquisition was not definitively abolished until , during the reign of Isabella II, after a period of . Jews of Al-Andalus (Andalucía), whereas many died a martyr's death, while others converted in order to save themselves. Medieval Inquisition · Orthodoxy · Portuguese Inquisition · Grand Inquisitor. This was known as the Medieval Inquisition, and it was phased out as Catharism The Inquisition could not have killed that many people because those parts of. He thinks the number of executions during the Spanish Inquisition could be So how many Protestants were killed during the Inquisition?. That would mean that the Church killed as many people as the Black that during the sixteenth and seventeenth centuries fewer than three.