Dialogue 3.7.5
Gallus, main protagonis of the Dialogues, says:
And I am sure that you also, presbyter Refrigerius, remember a conversation that was held among us recently about this event, together with Romulus, the honorable and pious son of the same [prefect from the area of Seine] Auspicius.
(trans. Goodrich 2015: 237, changed by J. Szafranowski)