How do you think the royal family got to be the royal family? They did it by killing people. its the subject of several popular plays by Shakespeare.
henry VIII is a music hall joke nowadays. but really what sort of arsehole did it take to have two of his wives heads hacked off. what a sod! Not to mention the 72 000 other people executed in his reign.
A few homicidal maniacs in the conregation will probably feel at home and in good company.