Passiena gens

The gens Passiena, occasionally written Passienia, Passenia, Passennia, or Passenna, was a plebeian family at ancient Rome, originally of equestrian rank, but at least one member was later admitted to the patriciate. Members of this gens appear in history from the early years of the Empire down to the third century, and several obtained the consulship, beginning with Lucius Passienus Rufus in 4 BC.

Origin
The varying orthography of the nomen makes it difficult to be certain of its origin, but Passienus seems to be the most common. The gentile-forming suffix -enus was not typical of Latin names, but was common in Picenum and Umbria. This has been regularized to Passienius or Passenius in a few instances, giving the name a more Roman appearance; the form Passennus, found in some sources with other variants, would be typical of a Latinized Etruscan gentilicium, originally ending in -enna, but this resemblance is probably accidental.

Members

 * Passienus, the father of Rufus, was an orator mentioned by Seneca the Elder. He died in 9 BC.
 * Lucius Passienus Rufus, consul in 4 BC, and subsequently proconsul of Africa, where he won a number of military victories, for which he was awarded the triumphal ornaments.
 * Gaius Sallustius Passienus L. f. Crispus, son of the consul Rufus, and the grandson of a sister of the historian Sallust, who had no children of his own. Sallust adopted his grandnephew, who assumed his nomenclature.  He was a confidant of Augustus and Tiberius, but held no public office.  Tacitus reports that he died in AD 20.  He is frequently confused with his son.
 * Gaius Sallustius Passienus C. f. L. n. Crispus, grandson of Rufus, was the husband of Agrippina, and stepfather of Nero. He was a wealthy man, and a highly respected orator, and was consul twice, the second time in AD 44, early in the reign of Claudius.
 * Gaius Passienus Paulus, an eques, highly regarded as a friend and fellow-poet by Pliny the Younger.
 * Gaius Passienius C. f. Cossonius Scipio Orfitus, served as senator, augur, quaestor urbanus, and a judicial magistrate. He was praetor designatus, and curator of Sutrium, and was admitted to the patriciate.
 * Passienus Rufus, a friend of the orator and grammarian Marcus Cornelius Fronto. He was consul suffectus in AD 142.
 * Quintus Passienus Licinus, consul suffectus in AD 149.
 * Passenia Petronia, a woman of a senatorial family, named on a tile from about the time of Commodus.
 * Vibius Passienus, governor of Africa Proconsularis between AD 260 and 268, during the reign of Gallienus. According to Trebellius Pollio, he attempted to place the usurper Celsus on the throne, but his rebellion was swiftly quashed.