able to manipulate Claudius into ordering the exile or execution of various people: the Roman philosopher  Seneca the Younger ; Claudius’ nieces  Julia Livilla  and  Julia ; Marcus Vinicius (husband of Julia Livilla); consul Gaius Asinius Pollio II (see  Vipsania Agrippina ); the elder Poppaea Sabina (mother of Empress  Poppaea Sabina