Gariel invokes in favour of this tradition a certain manuscript brought from Byzantium. But the chronicler, Bishop Arnaud de Verdale (1339–1352) was ignorant of this alleged Apostolic origin of Maguelone.
Gariel uses a Byzantine manuscript as evidence for his claim of tradition, but the historian, Bishop Arnaud de Verdale (1339–1352), did not know about this supposed Apostolic origin of Maguelone.