Dan Brown
Appears in 3 conspiracy theories
Debunked
Holy Grail as Jesus Bloodline / Mary Magdalene Theory
The 1982 book 'The Holy Blood and the Holy Grail' proposed that 'Sangreal' means 'royal blood' (sang real) rather than 'Holy Grail' — that Mary Magdalene carried Jesus's child to France.
1982 · United Kingdom · Michael Baigent, Richard Leigh, Henry Lincoln
Debunked
Priory of Sion — Secret Society Guarding the Grail
The Priory of Sion was a hoax created in 1956 by Pierre Plantard — its forged documents (Dossiers Secrets) were planted in France's Bibliotheque nationale before exposure in 1993.
1956 · France · Pierre Plantard, Philippe de Cherisey, Henry Lincoln
Debunked
Templar Treasure at Rosslyn Chapel
The debunked theory that Rosslyn Chapel in Scotland conceals Knights Templar treasure, the Holy Grail, or ancient scrolls beneath its elaborately carved walls. From medieval legend to Da Vinci Code phenomenon.
1446 · Scotland · William Sinclair, 1st Earl of Caithness, Dan Brown, Michael Baigent