 The knight having kept nothing in writing and having no witnesses, took the dispute before the "Tribunal de l'Evêque" where the recipient of the money was challenged to make an oath in the cathedral, confirming his denial.He did so before several witnesses and before a crucifix which at that time stood before the cathedral chevet.As he made the oath and as a reaction to this act of perjury, three drops of blood were shed by the figure of Christ on the crucifix onto the altar tablecloth.