Answer
Livia Drusilla's father was Marcus Livius Drusus Claudianus, a Roman senator and general. He was a member of the gens Livia and a descendant of the Sabine prince Lucius Livius Salinator. Drusus Claudianus was a supporter of Gaius Julius Caesar and was killed by his political opponents in 42 BC. Livia Drusilla was born in 58 BC to Drusus Claudianus and his wife, Claudia Livia.