Sadakazu-shinnō Japanese prince (0875–0916) Parents Seiwa Ariwara no Fumiko Children Minamoto no Tameyoshi Siblings Atsuko-naishinnō Yōzei Sadamoto-shinnō Sadayasu-shinnō Sadasumi-shinnō Shikishi-naishinnō Sadatoki-shinnō Minamoto no Nagakazu Sadakata-shinnō Sadahira-shinnō Minamoto Noriko Sadazane-shinnō