Since Naidaijin (minister of the center) FUJIWARA no Takafuji's great-grandchild, Gon Dainagon (provisional major counselor) FUJIWARA no Tamesuke was called Kanroji, Tamesuke was considered to be the founder of the Kanroji family.
内大臣・藤原高藤（勧修寺流の祖）の曾孫である権大納言・藤原為輔が甘露寺を号したことから、為輔を甘露寺家の祖とする。