Sukemichi SUDO's grandfather was FUJIWARA no Hidesato who was Jugoinoge (Junior Fifth Rank, Lower Grade) Saemon no jo (third-ranked officer of the Left Division of Outer Palace Guards) Kebiishi (officials with judicial and police powers).
首藤資通の祖父、は藤原秀郷で、従五位下左衛門尉検非違使。