However, after MINAMOTO no Yoritomo seized 'Tenka heiba no ken' (the power of commanding a national military force) and established military government called Kamakura bakufu (Japanese feudal government headed by a shogun), the scheme under which persons who originated from Seiwa-Genji/Kawachi-Genji became 'Buke no toryo=the head of bakufu/Seii taishogun (great general who subdues the barbarians)' became established.
しかし、源頼朝が鎌倉幕府を開いて「天下兵馬之権」を掌握して武家政権を確立すると、清和源氏－河内源氏の血を引く人物が「武家の棟梁＝幕府の長・征夷大将軍」という図式が確立した。