Agrippina (opera) throne, but the ceremony is interrupted by the entrance of Claudius's servant Lesbus. He announces that his master is alive ("Allegrezza! Claudio giunge!"), saved from death by Otho, the commander of the army. Otho himself confirms this and reveals that Claudius has promised him the throne as a mark of gratitude. Agrippina is frustrated, until Otho secretly confides to her that he loves the beautiful Poppaea more than he desires the throne. Agrippina, aware that Claudius also loves Poppaea, sees a new opportunity of furthering her ambitions for Nero. She goes to Poppaea and tells her, falsely, that Otho has
Claudia Acte became emperor in 54 AD, after his great-uncle/stepfather died—apparently poisoned, in the belief of contemporary historians, by his niece/wife, Agrippina, Nero's mother. A year into Nero's reign, encouraged by Seneca the Younger and Burrus, and against Agrippina the Younger's wishes, Nero took Acte as his mistress. Seneca especially was concerned that his young student would not be satisfied with his wife, Octavia, and might indulge in risky sexual exploits. This made Acte appear a safe outlet and a source of separation from Agrippina. Seneca and Burrus were on uneasy terms with Agrippina and were nervous about her political influence and