 In her late 30s she took vows as a Buddhist nun, renouncing imperial duties and titles, assuming the title of Imperial Lady.She continued to be an influential member of the imperial family until her death at age 86.In the middle of the 9th century Fujiwara no Yoshifusa declared himself regent to Emperor Seiwa—his young grandson—the Fujiwara clan dominated court politics until the end of the 11th century, through strategic marriages of Fujiwara daughters into the imperial family and the use of regencies.