1. A noble of Rheims in Gallia Belgica, who headed a deputation of his townsmen to Caesar in B. C. 57, placing their state at Caesar's disposal, and praying his aid against the other Belgic communities then in arms against Rome. Iccius defended Bibrax (Bièvre) against the other tribes of the Belgae immediately after his return from Caesar's quarters. (Caes. Gal. 2.3, 6.)