CINNA, C. HELVIUS, a poet intimate with Cæsar. He went to attend the obsequies of Cæsar, and being mistaken by the populace for the other Cinna, he was torn to pieces.—Also a grandson of Pompey's. He conspired against Augustus, who pardoned him, and made him one of his most intimate friends. He was consul A. U. C. 758, and made Augustus his heir.