Faustus Cornelius Sulla Felix (22 – 62 AD) was one of the lesser known figures of the Julio-Claudian dynasty of Ancient Rome. Felix was the son of Domitia Lepida the Younger and the suffect consul of 31, Faustus Cornelius Sulla Lucullus, a descendant of the Dictator Lucius Cornelius Sulla. His maternal grandparents were Antonia Major and Lucius Domitius Ahenobarbus. His maternal grandmother Antonia Major was a niece of the emperor Augustus and his mother, Domitia Lepida, was a great-niece of Augustus, being a granddaughter of Augustus’ sister Octavia the Younger and the triumvir Mark Antony. Felix was a maternal younger half-brother of the empress Valeria Messalina.