The Roman Emperor Tiberius was born in 42 BCE to Tiberius Claudius Nero and Livia Drusilla, both descendants of prestigious political families, at a time when Rome was undergoing significant political upheaval. Julius Caesar had begun a brutal civil war in 49 BCE to end Rome's rule as a Republic and consolidate his power as supreme ruler. Following Caeser's assassination in 44 BCE, Tiberius' father backed the forces wishing to return Rome to a Republic, but they were defeated by Caesarian loyali...