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Tiberius Claudius was Germanicus' father.
Appius Claudius Nero was the father of Tiberius Claudius Nero, who was the father of Tiberius Claudius Nero, the Emperor of Rome.
Tiberius Claudius Donatus has written:
'Interpretationes Vergilianae' -- subject(s): Accessible book
Tiberius' brother was Drusus (Nero Claudius Drusus Germanicus)
The parents of Tiberius were Tiberius Claudius Nero and Livia Drusilla. His adopted father was the emperor Augustus.