Minamoto no Masatsuna (1106–1143) Parents Minamoto no Masakane Daughter of Minamoto no Tadazō, wife of Minamoto no Masakane Children Siblings Minamoto no Masayori Minamoto no Masanori Minamoto no Masamitsu Minamoto no Kiyofusa Minamoto no Masataka Minamoto no Sadafusa Minamoto no Michiyoshi Daughter of Minamoto no Masakane, wife of Fujiwara no Toshimori