Home ▸ Catalog ▸ |Roman Coins| ▸ |The Twelve Caesars| ▸ |Tiberius Gemellus||View Options: ![]() ![]() Tiberius Julius Caesar Nero, known as Tiberius Gemellus, born 19 A.D., died 37 or 38 A.D., was the son of Drusus and Livilla, Tiberius' grandson, and Caligula's cousin. Gemellus is a nickname meaning "the twin". His twin, Tiberius Germanicus Caesar, died in infancy. Tiberius made Caligula and Gemellus joint-heirs but favored Caligula because Livilla had been Sejanus' lover and he believed Gemellus was really Sejanus' son. Caligula adopted Gemellus as heir after becoming emperor, but soon ordered him killed for an alleged plot. |