His mother was Naidaijin (Inner Minister), Munenaga MATSUNOKI's daughter, Naishinosuke (an official position to serve Naishinotsukasa, one of the twelve officials in the government based on the ritsuryo legal codes) Muneko (Keihomonin).
母は内大臣松木宗條の娘、典侍宗子（敬法門院）。