Emperor Ichijō was the 66th emperor of Japan, according to the traditional order of succession.
Emperor Go-Suzaku
…Before his ascension to the Chrysanthemum Throne, his personal name (his imina) was Atsunaga-shinnō (敦良親王). His father was Emperor Ichijō. His mother was Fujiwara no Akiko/Shōshi (藤原彰子), the daughter of Fujiwara no Michinaga (藤原道長). He was the younger brother and heir to Emperor Go-Ichijō…
Emperor Ichijō
In October of the first year of Chōtoku (995), Emperor Ichijō made a visit to Iwashimizu Hachiman Shrine. On his return, Emperor Ichijō stopped his palanquin and greeted his mother, Senshi, who was watching the procession from a viewing platform.
Emperor Ichijo visits Empress Teishi playing biwa.