1) Ancient Roman cognomina 
Manlius Acidinus was a young man of ancient Rome who was going to pursue his studies at Athens at the same time as a young Cicero, in 45 BC. He is perhaps the same Acidinus who sent intelligence to Cicero respecting the death of Marcellus. ...[cognomen] Acidinus was a cognomen, or distinguishing family name, of the gens Manlia in ancient Rome. Some notable Acidini include: ...