Having obtained the ultimate trump card, Yoshitomo's military might, Nobuyori was able to marry his younger sister to FUJIWARA no Motozane, an heir in the Fujiwara branch of regents and advisors.
義朝の武力という切り札を得た信頼は、自らの妹と摂関家の嫡子・藤原基実の婚姻も実現させる。