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,
Matthias, Holy Roman Emperor Matthias, Holy Roman Emperor Matthias (24 February 1557 – 20 March 1619) was Holy Roman Emperor from 1612, King of Hungary and Croatia from 1608 (as Matthias II) and King of Bohemia from 1611. He was a member of the House of Habsburg. Matthias was born in the Austrian capital of Vienna to Maximilian II, Holy Roman Emperor and Maria of Spain. Matthias married Archduchess Anna of Austria, daughter of his uncle Archduke Ferdinand II of Austria, whose successor in Further Austria Matthias became in 1595. Their marriage did not produce surviving children. In 1578, Matthias was invited to the