 In winter 571, after Empress Dowager Hu was found to have had an affair with the Buddhist monk Tanxian (曇獻), Gao Wei put her under house arrest.Zu proposed that, in the precedence of the preceding dynasty Northern Wei's title of nurse empress dowager for wet nurses, Lady Lu be created empress dowager to replace Empress Dowager Hu.Gao Wei did not do so, but the authority that Empress Dowager Hu had was effectively displaced by Lady Lu.