Descendants of Morosuke were blessed with many girls; thus, the family line monopolized a post of Sessho Kanpaku by becoming maternal relatives of emperors from the period of the Emperor Reizei to the period of the Emperor Goreizei, covering eight long generations of the emperor.
師輔の子孫は女子に恵まれて冷泉天皇から後冷泉天皇までの実に8代にわたる天皇の外戚となって摂政関白の地位を独占した。