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
Otto IV, Holy Roman Emperor castle on 19 May 1218, requesting that he be mortally expiated in atonement of his sins. Historian Kantorowicz described the death as "gruesome": "deposed, dethroned, he was flung full length on the ground by the Abbot, confessing his sins, while the reluctant priests beat him bloodily to death. Such was the end of the first and last Welf Emperor." He is entombed in Brunswick Cathedral. Otto was related to every other King of Germany. He married twice: He had no children by either Beatrice or Marie. Otto IV, Holy Roman Emperor Otto IV (1175 – 19 May 1218) was one