Tiberius (; 16 November 42 BC – 16 March 37 AD) was a Roman Emperor from 14 AD to 37 AD. Born Tiberius Claudius Nero, a Claudian, Tiberius was the son of Tiberius Claudius Nero and Livia Drusilla. His mother divorced Nero and married Octavian, later known as Augustus, in 39 BC, making him a step-son of Octavian.