His mother was Gon Dainagon (an official position below Minister under the government based on the ritsuryo legal codes, equivalent to the rank of Shosanmi (Senior Third Rank)), Sukenori HINO's adopted daughter, Kohanmon-in, FUJIWARA no Sukeko (Sukeko HINO HISHI).
母は、権大納言日野資教の養女、光範門院・藤原資子（日野西資子。