3. SEIUS, was a partisan of M. Antonius, after the death of Caesar, and is therefore abused by Cicero (Cic. Phil. 12.6). The person called Viseius in another passage of Cicero (Cic. Phil. 13.12), is probably a false reading for Seius.
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