Shinzei arranged a marriage between his own son Narinori and Kiyomori's daughter (who later became the wife of Kanemasa KAZANIN), thereby showing society the strong partnership between his own family and the Taira clan,
信西は、自らの子・成憲と清盛の女（後の花山院兼雅室）の婚姻によって平氏一門との提携を世間に示し、改革は順調に進行するかに見えた。