Drusus Caesar (Latin: Drusus Julius Caesar Germanicus, AD 7 – AD 33) was a member of the Julio-Claudian or Imperial family of Ancient Rome. He was a son of Germanicus and Agrippina the Elder. He was brother to Emperor Caligula, nephew to Emperor Claudius.Drusus married Aemilia Lepida, daughter of Marcus Aemilius Lepidus, his second cousin. Tacitus reports that during their marriage "she had pursued her husband with ceaseless accusations".