In reaction to "The Holy Blood and the Holy Grail", "The Da Vinci Code", and other controversial books, websites and films on the same theme, a significant number of individuals in the late 20th and early 21st centuries have adhered to a Jesus bloodline hypothesis despite its lack of substantiation. While some simply entertain it as a novel intellectual proposition, others hold it as an established belief thought to be authoritative and not to be disputed. Prominent among the latter are those who expect a direct descendant of Jesus will eventually emerge as a great man and become a messiah, a Great Monarch who rules a Holy European Empire, during an event which they will interpret as a mystical second coming of Christ.