Historical Documents with Caligula on Ancestry: 9 Birth, Marriage, and Deaths Voter Lists: 1 Military Records: 1 Immigration Records: Member Trees Find out where people with the family name Caligula lived before coming to the. Augustan Familt Tree. Were Claudius and Caligula related? Who was Nero's father? See how the all-. The Dynasty Of Augustus, Return to Special Features. Around the start of the Common Era, the family trees of the gens Julia and the gens Claudia .. Caligula was the last emperor adopted into the family of the Julii Caesares. He was a Claudius by descendance, although he had Julii Caesares Descendancy of the emperors of · By generation · References · Sources. Or not at all? The term Julio-Claudian dynasty refers to the first five Roman emperors — AugustusTiberiusCaligulaClaudiusand Nero  —or the family to which they belonged. Gaius Julius Caesar I. The conflict eventually led to the destruction of her family, with Caligula as the sole male survivor. His great-grandfather was Augustus on his mother's bomb it 7. After Tiberiusthe remaining three emperors of the dynasty had, outside adoptions, ancestors both in the Julian as the Claudian families.