Dictionary of Greek and Roman Biography and Mythology/Herennius 11.

11. C. Herennius, son of Sext. Herennius (Cic. ad Att. i. 18), was tribune of the plebs in b. c. 59, when he zealously seconded P. Clodius [Claudius, No. 40] in his efforts to pass by adoption into a plebeian family. [Fonteius, No. 6.] (Cic. ad Att. i. 18, 19.)