Livilla de Cn. Pisone patre" indicates that she was held in the highest esteem by her uncle and father-in-law, Tiberius, and by her grandmother Livia Drusilla. According to Tacitus, she felt resentment and jealousy against her sister-in-law Agrippina the Elder, the wife of her brother Germanicus, to whom she was unfavourably compared. Indeed, Agrippina fared much better in producing imperial heirs to the household (being the mother of the Emperor Caligula and Agrippina the Younger) and was much more popular. Suetonius reports that she despised her younger brother Claudius; having heard he would one day become Emperor, she deplored publicly such
Roman emperor to style themselves as Emperor of the Romans (later βασιλεύς Ῥωμαίων in Greek), but are often referred to in modern scholarship as Byzantine emperors. Constantine XI Palaiologos was the last Roman emperor in Constantinople, dying in the Fall of Constantinople to the Ottomans in 1453. The "Byzantine" emperors from Heraclius in 629 and onwards adopted the title of "basileus" (), which had originally meant "king" in Greek but became a title reserved solely for the Roman emperor and the ruler of the Sasanian Empire. Other kings were then referred to as "rēgas". In addition to their pontifical office, some emperors