croceveras were a small gruop of roman catholic monks who departed from the church because of it's teachings and created a cultish undeground religion call "Order of the True Cross". the gruop grew secretly, evently losing it's religious beliefs, and the name crocevera remaining as a last name of a small popuilation of italians. One of the beliefs of the croceveras was that if the true cross was found and set up in the place where Jesus was impaled, he would return to earth.