The crown prince was Imperial Prince Okisada, son of Emperor Reizei (FUJIWARA no Kaneie), who became regent (and later became kampaku, or chief adviser, to the Emperor).
皇太子には冷泉天皇の皇子居貞親王（三条天皇）を立て、摂政に藤原兼家が就任した（のちに関白）。