called by Tacitus (Tac. Ann. 2.51) the propinquus of Germanicus, was tribune of the plebs A. D. 15, praetor A. D. 17, and consul A. D. 22. His moral character was very low, and he is spoken of in A. D. 32, as plotting the destruction of many illustrious men. (Tac. Ann. 1.77, 2.51, 3.49, 52, 6.4.)