Gretchen Cornwell
August 25, 2026
Oak Island’s Templar Cave: Royston
Gretchen explores the mysteries of The Curse of Oak Island’s Templar Cave: Royston, revealing its connections to the Knights Templar, initiation rites, Melusine, the Excalibur Compass, Edward III’s Arthurian kingship, and the enduring mystery of Oak Island.
Gretchen Cornwall is a historian and expert on the Knights Templar, having written two books on the subject. She has lived in England since 2002 and is a member of the British Archaeological Association. She has appeared on the History Channel’s "The Curse of Oak Island" and "Ancient Aliens" as an expert on the Knights Templar & Medieval History. She is a contributor to Web Icon Inc. a documentary film company and appeared in the documentary film series, "Templars", "The Sinclair Legacy", "Gudrid the Fair & The Sword & the Circle", which will be released in late 2023 on Amazon Prime in the US and UK.
Websites: https://gretchencornwall.com/ https://www.templars-tv.com/