In 1177, his father, FUJIWARA no Narichika, conspired to overthrow the Taira family with Saiko and Shunkan, personal attendants to the Emperor, at a mountain villa in Shishigatani.
安元3年（1177年）、父の藤原成親が平家打倒をはかって、院近臣の西光・俊寛らと鹿ヶ谷の山荘で密議を行った。