It is said that his mother was the daughter of Gon Chunagon MINAMOTO no Masayori (Murakami Genji (Minamoto clan)), but in reality, she was the daughter of FUJIWARA no Suesada, Hyobu taiyu (senior assistant minister of the Hyobusho Ministry of Military).
母は権中納言源雅頼（村上源氏）の娘とされるが、実は兵部大輔藤原季定の娘。