After MINAMOTO no Yoritomo, who was descended from the Bando-Genji line of the Kawachi-Genji, rebelled against and defeated the Taira clan, he founded the Kamakura bakufu in Togoku, but Yoshisada NITTA and Takauji ASHIKAGA, under orders from Emperor Godaigo, toppled the Kamakura bakufu, which had been taken over by the Bando-Heishi, and contributed to the establishment of a new central government; moreover, the Kamakura, Muromachi and Edo bakufu were feudal governments administered by the Bando-Genji.
これに抗した河内源氏流の坂東源氏・源頼朝が平氏を追討して東国に鎌倉幕府を開き、さらに後醍醐天皇の意向を受けた新田義貞・足利尊氏が坂東平氏に乗っ取られた鎌倉幕府を倒して新たな中央政権樹立に貢献したこと、さらに鎌倉幕府・室町幕府・江戸幕府揃って坂東源氏の政権であったことなどあった。