Sadayasu-shinnō Japanese prince (0870–0924) Parents Fujiwara no Takaiko Seiwa Children Mekū no O Minamoto no Motofuchi Siblings Sadakazu-shinnō Yōzei Atsuko-naishinnō Sadasumi-shinnō Sadamoto-shinnō Shikishi-naishinnō Sadatoki-shinnō Minamoto no Nagakazu Sadakata-shinnō Sadahira-shinnō Minamoto Noriko Sadazane-shinnō Partners Daughter of Shigeno no Tsunekage, wife of Teibo Shinnō