His mother was the daughter of Moriaki TAKASHINA, Iyo no Kami (Governor of Iyo Province) (some people say that his mother was Sanmi no tsubone, the daughter of TAIRA no Motomori, Iyo no Kami).
母は伊予守高階盛章の娘（一説に伊予守平教盛の娘である三位局）。