who was in Spain, B. C. 44 (Cic. Att. 15.13), is conjectured by Mongault to be only a diminutive of Cornelius Balbus, the younger, a friend of Cicero's, but this is very improbable.
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