Antonia Minor Caligula, Agrippina the Younger, Julia Drusilla, Julia Livilla and later Claudia Antonia, Claudius's daughter through his second wife Aelia Paetina, her younger grandchildren. She outlived her husband, her oldest son, her daughter and several of her grandchildren. In 31 AD, Antonia exposed a plot by her daughter Livilla and Tiberius’ notorious Praetorian prefect, Sejanus, to murder the Emperor Tiberius and Caligula and to seize the throne for themselves. Livilla had allegedly poisoned her husband, Tiberius' son, Drusus Julius Caesar (nicknamed "Castor") to remove him as a rival. Sejanus was executed on Tiberius’ orders, and Livilla was handed over to her
Emperor Yang of Sui Emperor Yang had Li Hun, Li Min, and their clansmen executed, and further poisoned Yang Lihua's daughter Yuwen Eying (宇文娥英). Later in 615, Emperor Yang carried out a tour of the northern provinces with the Empress Xiao and much of the imperial court. Shibi Khan, angered that the imperial advisor Pei Ju had promised a princess to his brother Ashina Chiji () and had executed his close advisor Shishu Huxi () under false pretenses, launched a surprise attack on Yanmen Commandery. In accordance with Turkish customs, Princess Yicheng had married him as her husband's successor; having been well treated by