plebeian, occurs only once in the Fasti--the ovation of M. Helvius Blasio, B. C. 195 [BLASIO]--and was first rescued from obscurity by the election of P. Helvius Pertinax to the empire, A. D. 193. The Helvia gens contained in the time of the republic the surnames BLASIO, CINNA, MANCIA. A few are mentioned without a cognomen.
[W.B.D]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890