Letters from military men and soldiers on the eastern front were collected by a Alexandrian trader in the years after the chaos of 641. They give some clues to the events during the reign of another short-lived emperor, Heraklonas. Heraklonas, son of Heraclius and Martina, rejects Arab demands. From a captain in the travelling detachment of the excubitores (the emperor's guard), writing from the provisional military capital of Antioch, to a co-conspirator, a fellow captain in the 1st Tyre Tourma: From a soldier of the 1st Tyre Tourma, encamped near Antioch, writing to a certain Joseph, apparently an old Greek friend from Tyre and now a refugee in Antioch: The 1st Tyre Tourma arrives in the north, reporting that the garrison at Tyre has defected to the enemy. Jews and Monophysite Christians in Syria and Palestine welcome the Arab invaders.