The accusations against Messalina center largely on three areas: her treatment of other members of the imperial family; her treatment of members of the senatorial order; and her unrestrained sexual behaviour. Her husband's family, especially female, seemed to be specially targeted by Messalina. Within the first year of Claudius' reign, his niece Julia Livilla, only recently recalled from banishment upon the death of her brother Caligula, was exiled again on charges of adultery with Seneca the Younger. Claudius ordered her execution soon after, while Seneca was allowed to return seven years later, following the death of Messalina. Another niece, Julia Livia, was attacked for immorality and incest by Messalina in 43possibly because she feared Julia's son Rubellius Plautus as a rival claimant to the imperial succession,with the result that Claudius ordered her execution.