Original: Cassius Dio , Roman History LXII .3 and Josephus , War of the Jews IV , say Nero 's rule was 13 years , 8 months which would be June 11th born Lucius Domitius Ahenobarbus , also called Nero Claudius Caesar Drusus Germanicus , was the fifth and last Roman emperor of the Julio-Claudian dynasty .
Simplified: Nero Claudius Caesar Augustus Germanicus ( December 15 , 37 -- June 9 , 68 ) , born Lucius Domitius Ahenobarbus , also called Nero for short , was the fifth and last Roman Emperor of the Julio-Claudian dynasty .