The people of ancient Rome knew of a tragic hero Drusus (Drusus the Elder), the younger brother of Tiberius who died in a campaign. But there was another, younger and lesser known, Drusus in Tiberius’ family. He was Nero Claudius Drusus (Drusus the Younger, nicknamed Castor), the only son of Tiberius. The elder Drusus may have been a hero, but Castor seemed to be mostly overlooked first by his own family, as well as future historians.

This episode is also available as a blog post: http://martinifisher.com/2022/06/30/a-star-in-the-imperial-shadow/