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,
Emperor Xiaojing of Eastern Wei do her husband harm, kept close watch on her husband, often tasting his food to make sure that it was not poisoned. However, Emperor Wenxuan was apprehensive of the former emperor. Around the new year 552, Emperor Wenxuan invited the Princess Taiyuan to a feast inside the palace. As soon as she left her residence, Emperor Wenxuan sent assassins to force the former emperor to drink poisoned wine, and also killed his three sons. Emperor Wenxuan gave the former emperor the posthumous name of Xiaojing, and also buried him with imperial honors. However, at a later time, for reasons unknown,