Morosuke married his eldest daughter, Anshi, to Emperor Murakami, and Anshi who was deeply favored bore Imperial Prince Norihira (later Emperor Reizei) and Imperial Prince Morihira (later Emperor Enyu), who both succeeded to the throne, giving Morosuke's sons, Koretada, Kanemichi and Kaneie great political disadvantages.
師輔は村上天皇に長女の安子を入内させ、安子は寵愛深く、後に即位する憲平親王（冷泉天皇）、守平親王（円融天皇）を生み、伊尹、兼通、兼家の兄弟は極めて有利な立場にあった。