Lucius Antonius is a combination of praenomen and family name (nomen) used by ancient Roman men from a plebeian branch of the gens Antonia, including: Lucius Antonius (brother of Mark Antony) Lucius Antonius (grandson of Mark Antony) (20 BC–34) de:Lucius Antonius hu:Lucius Antonius pl:Lucjusz Antoniusz