Res Gestae

Julian, thinking that such actions, dangerous and dubious as they were, would break out into deadly mischief, directed all his thoughts to the one end of forcibly seizing Vadomarius while off his guard, in order to ensure his own safety and that of the provinces. And this was the plan that he formed.

He had sent to those regions his secretary, Philagrius, later Count of the Orient,[*](Under Theodosius in 382.) in whose good judgement he had confidence, having already tested it; and, in addition to many other orders which he was to execute according as urgent affairs might require, he also gave him a sealed note with orders neither to open nor read it unless he saw Vadomarius on our side of the Rhine.

Philagrius went his way as ordered, and when he had arrived and was busy with sundry affairs, Vadomarius crossed the river, fearing nothing, as was natural in a time of profound peace, and pretending to know of no irregular doings. And on seeing the commander of the soldiers stationed there, he spoke briefly with him as usual; and in order to leave behind no suspicion on his departure, he even promised to come to a banquet of the commander’s

The latter immediately upon entering and seeing the king recalled the words of his emperor, and offering as excuse some important and urgent piece of business, returned to his quarters; then, after reading the letter and learning what he was to do, he at once came back and took his place at table with the others.

As soon as the feast was ended, he laid a strong hand on Vadomarius and handed him over to the commander of the soldiers, to be closely confined in camp, having read to him the text of his orders; the king’s companions he compelled to return to their homes, since no order touching them had been given.