In the 20th century, a secret society known as the Priory of Sion claimed to protect a hidden bloodline tied to Jesus Christ and Mary Magdalene, a revelation that, if true, would rewrite the foundations of religious history. The group alleged that this lineage had been preserved for centuries and concealed from the public by powerful institutions. In this episode of Conspiracy Theories, Cults, and Crimes, Vanessa Richardson examines the origins of the Priory of Sion, the documents that brought it to global attention, and the man behind its most controversial claims. As the story spread through books and media, it blurred the line between historical theory and elaborate hoax. Was the Priory of Sion a genuine secret society guarding a hidden truth, or a myth that spiraled far beyond its origins?

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CONSPIRACY THEORY: The Priory of Sion