Among the samurai class, however, MINAMOTO no Yoritomo, a descendant of the Kawachi-Genji (Minamoto clan) who rose as the leader of samurai, called himself chakuryu of the Minamoto clan, established the Kamakura bakufu (Japanese feudal government headed by a shogun), and established the basis of samurai government mainly led by the monyo (clans basically connected by blood) of his clan members and prominent gokenin (shogun's vassals).
一方の武家においては、武士の棟梁として台頭した河内源氏の流れを汲む源頼朝が源氏嫡流を称して、鎌倉幕府を開き、門葉という一族や有力御家人を中心とする武家政治の基礎を形成した。