Drusus Caesar ( AD 8 – 33) was the grandson by adoption and heir of the Roman emperor Tiberius, alongside his brother Nero. Born into the prominent Julio-Claudian dynasty, Drusus was the son of Tiberius' general and heir, Germanicus.
Sejanus, the prefect of the Praetorian Guard, had become powerful in Rome and is believed by ancient writers such as Suetonius and Tacitus to have been responsible for the downfall of Drusus the Younger. As Sejanus' power grew, other members of the imperial family began to fall as well. In AD 29, Tiberius wrote a letter to the Roman Senate attacking Nero and his mother, and the Senate had them both exiled. Two years later, Nero died in exile on the island of Ponza. Drusus was later imprisoned following similar charges as his brother, and remained in prison from AD 30 until his death three years later. Their deaths allowed for the ascension of their third brother, Caligula, following the death of Tiberius in AD 37.
As a member of the Julio-Claudian dynasty, he was a close relative of all five Julio-Claudian emperors: his great-grandfather Augustus was the first emperor of the dynasty, his great-uncle Tiberius was the second emperor, his brother Gaius (Caligula) was the third emperor, his uncle Claudius was the fourth emperor, and his nephew Lucius Domitius (more commonly known as "Nero") was the fifth and final emperor of the dynasty.
His father was the adopted son of Tiberius, who was himself the adoptive son of Augustus, whose adoptions were the result of the death of Gaius Caesar in February AD 4. Gaius, who was the heir of Augustus, had died of illness in Roman Syria. Germanicus was for some time considered a potential heir by Augustus, but Augustus later decided in favor of his stepson Tiberius. As a result, in June AD 4, Augustus adopted Tiberius on the condition that Tiberius first adopt Germanicus. As a corollary to the adoption, Germanicus was wed to his second cousin Agrippina the Elder the following year.
In AD 13, his father was appointed commander of the forces on the Rhine, from where he led three campaigns into Germany against the forces of Arminius, which had made him popular as he avenged the humiliating Roman defeat at the Battle of Teutoburg Forest. In October AD 14, Germanicus received a delegation from the Senate giving its condolences for the death of Augustus. Augustus had died in August and Tiberius became emperor, making Germanicus heir to the empire.Tacitus, Annals
At the direction of Tiberius, Germanicus was dispatched to Asia Minor to reorganize the provinces and assert imperial authority there. The provinces were in such disarray that the attention of a member of the leading family was deemed necessary. However, after two years in the east, Germanicus came at odds with the governor of Syria, Gnaeus Calpurnius Piso. During their feud, Germanicus fell ill and died in October AD 19.
Drusus married Aemilia Lepida around AD 29. She was the daughter of Marcus Aemilius Lepidus, his second cousin. Tacitus reports that during their marriage "she had pursued her husband with ceaseless accusations". In 36, she was charged with adultery with a slave and committed suicide, "since there was no question about her guilt".Tacitus, Annals,
His mother Agrippina believed her husband was murdered to promote Drusus the Younger as heir, and feared that the birth of his twin sons would give him motive to displace her own sons. However, her fears were unfounded, with Nero being elevated by Tiberius in AD 20. Nero received the toga virilis (toga of manhood), was promised the office of quaestor five years in advance, and was wed to Drusus the Younger's daughter Julia Livia.
Following the death of Germanicus, Drusus the Younger was Tiberius' new heir. He received a second consulship in AD 21 and tribunicia potestas (tribunician power) in AD 22. At the same time, Praetorian prefect Sejanus now came to exert considerable influence over the emperor, who referred to Sejanus as socius laborum ("my partner in my toils").Tacitus, Annals, According to Tacitus and Cassius Dio, the Younger Drusus and Sejanus began bickering and entered a feud during which Drusus became ill and died of seemingly natural causes on 14 September 23.Cassius Dio, Roman History, LVIII.11 Tacitus, Annals, Ancient sources say the cause of death was poison, whereas modern authors, such as Barbara Levick, suggest that it may have been due to illness.
In 28, the Senate voted that altars to Clementia (mercy) and Amicitia (friendship) be raised. At that time, Clementia was considered a virtue of the ruling class, for only the powerful could give clemency. The altar of Amicitia was flanked by statues of Sejanus and Tiberius.Tacitus, Annals, By this time his association with Tiberius was such that there were even those in Roman society who erected statues in his honor and gave prayers and sacrifices in his honor.Cassius Dio, Roman History, LVIII.2 Like members of the imperial family, Sejanus' birthday was to be honored. According to author and historian Alston, "Sejanus' association with Tiberius must have at least indicated to the people that he would be further elevated."
After his wife Aemilia betrayed him for Sejanus, Drusus was dismissed by Tiberius. It wasn't long before he was accused by Cassius Severus of plotting against Tiberius. He was imprisoned and confined to a dungeon on the Palatine in 30. He starved to death in prison in 33 after having been reduced to chewing the stuffing of his bed.
The deaths of Germanicus' oldest sons elevated his third son, Gaius Caesar (Caligula), to successor and he became princeps when Tiberius died in AD 37. Drusus the Younger's son Tiberius Gemellus was summoned to Capri by his grandfather Tiberius, where he and Gaius Caligula were made joint-heirs.Suetonius, The Lives of Twelve Caesars, Life of Tiberius 76 When Caligula assumed power, he made Gemellus his adopted son, but Caligula soon had Gemellus killed for plotting against him.Suetonius, The Lives of Twelve Caesars, Life of Tiberius 23
Career
Downfall
Postmortem
Ancestry
Notes
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