Agrippina (opera) Agrippina has tricked them into supporting Nero and decide to have no more to do with her. Otho arrives, nervous about his forthcoming coronation ("Coronato il crin d'alloro"), followed by Agrippina, Nero and Poppaea, who have come to greet Claudius. All combine in a triumphal chorus ("Di timpani e trombe") as Claudius enters. Each in turns pays tribute to the Emperor, but Otho is coldly rebuffed as Claudius denounces him as a traitor. Otho is devastated and appeals to Agrippina, Poppaea, and Nero for support, but they all reject him, leaving him in bewilderment and despair ("Otton, qual portentoso fulmine"
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