Seiso: the Sugawara clan, the Tachibana clan, the Ceremonial House of the Fujiwara clan (the Kiyonari line), the Northern House of the Fujiwara clan (the Hino line) (the Taira clan, the Shigeno clan, 善滋氏, the Sugano clan, and so forth)
西曹…菅原氏・橘氏・藤原式家（清成流）・藤原北家（日野流）（平氏・滋野氏・善滋氏・菅野氏など）