Later, from the tenth century to the eleventh century, persons in the main linage of the Fujiwara clan (the Sekkan, indicating both Sessho and Kanpaku, family) were placed at the top of the Kizoku society by occupying the Sekkan posts for generations as a maternal relative of the emperor, or as a member of the Imperial family, establishing the political form called Sekkan politics from the tenth century to the eleventh century.
以降、10世紀から11世紀にかけて、藤原氏嫡流（摂関家）は、天皇の外戚、すなわちミウチとして代々摂関となって貴族社会の頂点に位置し、10世紀から11世紀にかけて摂関政治と呼ばれる政治形態を布いた。