The gens Petronia was a plebeian family at ancient Rome. This gens claimed an ancient lineage, as a Petronius Sabinus is mentioned in the time of Lucius Tarquinius Superbus, the last of the Roman kings, but few Petronii are mentioned in the time of the Republic. They are frequently encountered under the Empire, holding numerous consulships, and eventually obtaining the Empire itself during the brief reign of Petronius Maximus in AD 455.
The gens Claudia, sometimes written Clodia, was one of the most prominent patrician houses at ancient Rome. The gens traced its origin to the earliest days of the Roman Republic. The first of the Claudii to obtain the consulship was Appius Claudius Sabinus Regillensis, in 495 BC, and from that time its members frequently held the highest offices of the state, both under the Republic and in imperial times.
The gens Julia was one of the most prominent patrician families in ancient Rome. Members of the gens attained the highest dignities of the state in the earliest times of the Republic. The first of the family to obtain the consulship was Gaius Julius Iulus in 489 BC. The gens is perhaps best known, however, for Gaius Julius Caesar, the dictator and grand uncle of the emperor Augustus, through whom the name was passed to the so-called Julio-Claudian dynasty of the first century AD. The nomen Julius became very common in imperial times, as the descendants of persons enrolled as citizens under the early emperors began to make their mark in history.
The gens Aurelia was a plebeian family at ancient Rome, which flourished from the third century BC to the latest period of the Empire. The first of the Aurelian gens to obtain the consulship was Gaius Aurelius Cotta in 252 BC. From then to the end of the Republic, the Aurelii supplied many distinguished statesmen, before entering a period of relative obscurity under the early emperors. In the latter part of the first century, a family of the Aurelii rose to prominence, obtaining patrician status, and eventually the throne itself. A series of emperors belonged to this family, through birth or adoption, including Marcus Aurelius and the members of the Severan dynasty.
The gens Flavia was a plebeian family at ancient Rome. Its members are first mentioned during the last three centuries of the Republic. The first of the Flavii to achieve prominence was Marcus Flavius, tribune of the plebs in 327 and 323 BC; however, no Flavius attained the consulship until Gaius Flavius Fimbria in 104 BC. The gens became illustrious during the first century AD, when the family of the Flavii Sabini claimed the imperial dignity.
The praefectus annonae, also called the praefectus rei frumentariae was a Roman official charged with the supervision of the grain supply to the city of Rome. Under the Republic, the job was usually done by an aedile. However, in emergencies, or in times of extraordinary scarcity, someone would be elected to the office, and would take charge of supplying the entire city with provisions.
The gens Vibia was a plebeian family at ancient Rome. Although individuals named Vibius appear in history during the time of the Second Punic War, no members of this gens are found at Rome until the final century of the Republic. The first of the Vibii to obtain the consulship was Gaius Vibius Pansa in 43 BC, and from then until imperial times the Vibii regularly filled the highest offices of the Roman state. The emperors Trebonianus Gallus and Volusianus each claimed descent from the family.
The gens Antonia was a Roman family of great antiquity, with both patrician and plebeian branches. The first of the gens to achieve prominence was Titus Antonius Merenda, one of the second group of Decemviri called, in 450 BC, to help draft what became the Law of the Twelve Tables. The most prominent member of the gens was Marcus Antonius.
The gens Appia was a plebeian family at Rome. Its nomen, Appius, is a patronymic surname based on the praenomen Appius. The gens does not appear to have been very large, and few of its members achieved great importance.
The gens Septimia was a minor plebeian family at ancient Rome. The gens first appears in history towards the close of the Republic, and they did not achieve much importance until the latter half of the second century, when Lucius Septimius Severus obtained the imperial dignity.
The gens Hateria, occasionally Ateria, was a plebeian family at ancient Rome, known from the last century of the Republic and under the early Empire. The most distinguished of the Haterii was Quintus Haterius, a senator and rhetorician in the time of Augustus and Tiberius. He was consul suffectus in 5 BC.
Tiberius Julius Lupus was a member of the equestrian class who was praefectus or governor of Roman Egypt from 71 to 73. He was the older brother of Lucius Julius Ursus; their father was Julius Lupus, the brother-in-law of the praetorian prefect Marcus Arrecinus Clemens and uncle of Arrecina Tertulla, the wife of the emperor Titus. It was this connection that likely enabled Lupus to be appointed to the governorship.
