There is also a third version of the events that is quite close to Runciman's, varying only in the minor details. This story is part of the oral tradition on the island up to the present time. This oral tradition cannot be verified, but is of interest to sociologists. According to the legend, John of Procida was the mastermind behind the conspiracy. It seems that he was in contact with both Michael VIII Palaiologos and Peter III of Aragon. All three were later excommunicated by Pope Martin IV in 1282.