Short answers, pulled from the story.
Nero Claudius Drusus entered the world between mid-March and mid-April 38 BC. His legal father was Tiberius Claudius Nero, while rumors suggested Emperor Augustus might be his real biological father.
Nero Claudius Drusus served as quaestor in 16 BC fighting Raetian bandits and later established fifty military bases along the Rhine starting in 14 BC. He led expeditions into Chauci territory and defeated tribes including the Bructeri and Tencteri before dying from an infection after falling from a horse near the Elbe River.
Nero Claudius Drusus introduced the pes Drusianus unit of measurement approximately one meter long which facilitated trade in Samarobriva and among the Tungri people. As governor he created the concilium Galliarum council at Lugdunum to elect priests celebrating games every the 1st of August.
The young boy originally bore the name Decimus but changed to Nero Claudius Drusus emphasizing maternal ancestry by using Livia's father's cognomen instead of her husband's. Tiberius named his eldest son after this dead brother while Drusus named his second son Claudius after Tiberius.
Posthumously granted hereditary title Germanicus, the honor passed to his eldest son before moving to his youngest including Caligula, Claudius, and Nero. The Senate raised an arch on the Appian Way reading DE GERM depicting his Elbe trophy and legionaries erected the Drususstein monument in Mogontiacum.