One man's journey into the world of the so-called 'Bloodline' conspiracy, at the heart of Dan Brown's The Da Vinci Code, where a secret society, the Priory of Sion, claims to have guarded ev... Read allOne man's journey into the world of the so-called 'Bloodline' conspiracy, at the heart of Dan Brown's The Da Vinci Code, where a secret society, the Priory of Sion, claims to have guarded evidence of the marriage of Mary Magdalene and Jesus Christ, their children and their descen... Read allOne man's journey into the world of the so-called 'Bloodline' conspiracy, at the heart of Dan Brown's The Da Vinci Code, where a secret society, the Priory of Sion, claims to have guarded evidence of the marriage of Mary Magdalene and Jesus Christ, their children and their descendants down through the centuries.