Legends of Black Masses and Satan or demon worship have subsequently become attached to the club, beginning in the late Nineteenth Century.
It contained stories easily identified with Medmenham, one in which Lord Sandwich was ridiculed as having mistaken a monkey for the Devil.
This book sparked the association between the Medmenham Monks and the Hellfire Club.
Dashwood's Club meetings often included mock rituals, items of a pornographic nature, much drinking, wenching and banqueting.
The downfall of Dashwood's Club was more drawn-out and complicated.
The members addressed each other as "Brothers" and the leader, which changed regularly, as "Abbot".