Roman Emperor (Principate) Antony's daughter who was also Augustus' niece, Germanicus Julius Caesar. Germanicus married Vipsania Agrippina, Agrippa's daughter by Julia and Tiberius's stepdaughter, and had by her one surviving son, Gaius "Caligula" ("Little Boots"), and a daughter, Julia Agrippina, whose third husband was Germanicus's brother by blood, Claudius (she was his fourth wife); Agrippina had already borne a son, Lucius, whom Claudius adopted under the name Nero"' in 40; Nero married Claudius's daughter Claudia Octavia in 53. The year 69 is often called the "Year of the Four Emperors" because it saw four usurpers successively claim the purple robe. The fourth Emperor,
Agrippina the Elder to Augustus, a significant factor in the marriages of the emperors and princes of the dynasty. The Annals repeatedly has Agrippina competing for influence with Tacitus simply because she is related to Augustus biologically. Tacitus presents Agrippina as being kindred to aristocratic males, and has her reversing gender roles, which showcases her assumption of male "auctoritas" ("authority") with metaphors of her dressing and undressing. In an example of Agrippina assuming "auctoritas", he says: Using the above epithet, ""(femina) ingens animi"" ("..[a woman], great for her courage"), he assigns a haughty attitude to Agrippina that compels her to explore the affairs