Kujo-ryu was a style that FUJIWARA no Morosuke, the grandfather of Michinaga, started but his children were heavily involved in power struggles and Kujo-ryu was not working as a style of ancient practices.
九条流は道長の祖父である藤原師輔が興した流派であったが、その子供たちは権力抗争を繰り広げており、故実の流派としては振るわなかった。