Dictionary of Greek and Roman Biography and Mythology/Herennius 7.
7. C. Herennius, was tribune of the plebs in b. c. 80, and opposed a rogatio of L. Sulla, the dictator, for recalling Cn. Pompey from Africa. (Sall. Hist. ii. ap. Gell. x. 20 ; comp. Plut. Pomp. 13.) After the death of Sulla, this Herennius probably joined Sertorius in Spain, b. c. 76 — 72 ; since a legatus of that name was defeated and slain by Pompey near Valentia. (Plut. Pomp. 18; Zonar. x. 2 ; Sall. Hist. iii. fragm. p. 215, ed. Gerlach. min.) Whether C. Herennius, a senator, convicted (before b. c. 69) of peculation (Cic. in Verr. i. 13. § 39), were the same person, is uncertain.