The Sanjo family was one of the Seiga families (highest court noble families in Japan at that time) with FUJIWARA no Saneyuki as an ancestor, who was a descendent of FUJIWARA no Kinsue, the 12th son of FUJIWARA no Morosuke from the Northern House of the Fujiwara clan, and the highest rank Kinyori SANJO attained in his life was Daijo-daijin (Grand minister of state).
三条家は藤原北家の藤原師輔の十二男藤原公季の子孫、藤原実行を祖とする清華家の一つで、極官は太政大臣。