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Ahenobarbus was a cognomen used by a plebeian branch of the gens Domitia in the late Roman Republic and early Empire.[1] The name means "red-beard" (literally, "bronze-beard") in Latin. According to legend, Castor and Pollux announced to one of their ancestors the victory of the Romans over the Latins at the battle of Lake Regillus, and, to confirm the truth of what they had just said, they stroked his black hair and beard, which immediately became red.[2][3][4][5]

List of Ahenobarbi[edit]

Notable Ahenobarbi include:

Family tree[edit]

'The family tree below shows relationships between the Ahenobarbus branch of the gens Domitia to the Julio-Claudian dynasty.

Gnaeus Domitius Ahenobarbus (consul 192 BC)
Gnaeus Domitius Ahenobarbus (consul 162 BC)
Gnaeus Domitius Ahenobarbus (consul 122 BC)
Gnaeus Domitius Ahenobarbus (consul 96 BC)
Lucius Domitius Ahenobarbus (consul 94 BC)
Atia Balba Caesonia
Gaius Octavius
Gnaeus Domitius Ahenobarbus (died 81 BC)
Lucius Domitius Ahenobarbus (consul 54 BC)
Julia Antonia
Marcus Antonius Creticus
Aemilia Lepida
Gnaeus Domitius Ahenobarbus (consul 32 BC)
Mark Antony
Octavia the Younger
Antonia Major
Lucius Domitius Ahenobarbus (consul 16 BC)
Iullus Antonius
Marcus Antonius Antyllus
Domitia Lepida the Elder
Domitia Lepida the Younger
Marcus Valerius Messalla Barbatus
Tiberius Nero
Livia Drusilla
Antonia Minor
Nero Claudius Drusus
Marcus Vipsanius Agrippa
Julia the Elder
Marcus Valerius Messala Corvinus (consul 58)
Valeria Messalina
Agrippina the Elder
Gaius Caesar
Julia the Younger
Lucius Caesar
Agrippa Postumus
Livilla (sister of Claudius)
Drusus Julius Caesar
Tiberius Gemellus
Germanicus Gemellus
Claudia Octavia
Gnaeus Domitius Ahenobarbus (consul 32)
Agrippina the Younger
Drusilla (sister of Caligula)
Livilla (sister of Caligula)
Milonia Caesonia
Nero (son of Germanicus)married to Julia Livia daughter of Livilla and Druses Julius Caesar
Drusus Caesar
Emperor Nero (born Lucius Domitius Ahenobarbus)
Poppaea Sabina
Julia Drusilla (daughter of Caligula)
Claudia Augusta

Fictional bearers of the name[edit]

The main character of Farmer Giles of Ham by J. R. R. Tolkien is named Ægidius Ahenobarbus Julius Agricola de Hammo.

See also[edit]


  1. ^ Smith, William (1867), "Ahenobarbus", in Smith, William (ed.), Dictionary of Greek and Roman Biography and Mythology, 1, Boston: Little, Brown and Company, pp. 83–84
  2. ^ Suetonius, Nero 1
  3. ^ Plutarch, Aemil. 25
  4. ^ Dionysius of Halicarnassus, vi. 13
  5. ^ Tertullian, Apol. 22