Agrippina (opera) Agrippina, having lost the support of Pallas and Narcissus, manages to convince Claudius that Otho is still plotting to take the throne. She advises Claudius that he should end Otho's ambitions once and for all by abdicating in favour of Nero. Claudius agrees, believing that this will enable him to win Poppaea. Poppaea now plans some deceit of her own, in an effort to divert Claudius's wrath from Otho with whom she has now reconciled. She hides Otho in her bedroom with instructions to listen carefully. Soon Nero arrives to press his love on her ("Coll'ardor del tuo bel core"),
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