Tiberius Gemellus

• 1. The Twin Born On October

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  Tiberius Gemellus entered the world on the 10th of October AD 19. This date marked a rare event in Roman history, as he was born alongside his twin brother Germanicus Gemellus. Their father Drusus Julius Caesar held immense rank within the Julio-Claudian dynasty. Emperor Tiberius celebrated the birth of these twins with great enthusiasm. He claimed no man of such high status had ever produced twins before. The Senate commemorated this moment by minting coins that featured both boys on their reverse side. Tragically, the twin brother Germanicus Gemellus died while still a young child in AD 23. This loss left Gemellus as the sole surviving son of Drusus and Livilla.

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• 2. Poison And Political Elimination

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  In the spring of 22, Drusus received tribunician power from the Senate. This honor signaled to all observers that he was the designated heir to Emperor Tiberius. However, a bitter dispute arose between Drusus and Lucius Aelius Sejanus later that year. Sejanus served as the powerful praetorian prefect during this turbulent era. By the 14th of September 23, Drusus had died under suspicious circumstances. Ancient sources including Tacitus and Cassius Dio suggest he was poisoned. They allege Livilla administered the poison at the specific request of Sejanus. The exact cause of their feud remains unknown to modern historians. Following his death, Tiberius adopted his great-nephews Nero and Drusus instead. These men were sons of Germanicus, the late brother of Drusus. Neither of these new heirs would survive long enough to claim the throne.

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• 3. The Joint Heirship Of 35

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  Tiberius withdrew from political life entirely by 26 and moved to Capri. He left the management of the empire in the hands of Sejanus. During this period, Sejanus began eliminating other members of the imperial family. Nero faced charges of homosexuality and was exiled to Ponza island in 28 or 29. Drusus, another son of Germanicus, starved to death within a dungeon beneath the Imperial palace on the Palatine Hill. Sejanus himself fell from power and was executed in October 31. His wife Apicata committed suicide eight days later, leaving a message accusing Livilla and Sejanus of murder. With these rivals gone, Gemellus and Caligula stood as the only remaining options for succession. In 35, Tiberius named them both joint-heirs to his vast estates. This decision allowed Caligula to eventually assume full power while Gemellus remained a figurehead.

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• 4. Adoption And Public Honors

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  Emperor Tiberius died on the 16th of March 37, allowing Caligula to become Emperor immediately. Caligula nullified Tiberius' will with the help of Praetorian prefect Macro and the consuls of that year. This legal maneuvering enabled Caligula to inherit all estates without division. Gemellus received formal honors following this transition. He was granted his toga virilis, marking his entry into manhood. The public ceremony known as tirocinium took place in July 37. A distribution of 75 denarii per citizen occurred during a congiarium event. Caligula also adopted Gemellus officially and co-opted him into the Arval Brethren. He bestowed upon Gemellus the title princeps iuventutis. Despite being eighteen years old, some ancient writers described him as still a child mentally. This description may explain why he had not yet received the toga of manhood earlier than expected.

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• 5. The Final Days Of Suicide

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  Caligula fell ill at some point after becoming emperor, creating an opportunity for political maneuvering. Cassius Dio places Gemellus's death in late 37 or early 38. Suetonius records that Gemellus suffered from a chronic cough requiring medicine. Soldiers detected the smell of this medication and accused him of preparing an antidote for poison. Caligula ordered Gemellus to commit suicide immediately. Soldiers provided him with a sword but reportedly had to assist him because he did not know how to kill himself properly. No mention of this execution appeared in communications sent to the Senate. His tomb inscription makes no reference to his adoption by the emperor. It simply reads without any titles or honors. The circumstances surrounding his death remain shrouded in suspicion and political paranoia.

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