 The "kantō kubō" era is essentially a struggle for the shogunate between the Kamakura and the Kyoto branches of the Ashikaga clan, because both believed they had a valid claim to power.In the end, Kamakura had to be retaken by force in 1454.The five "kubō" recorded by history, all of Motouji's bloodline, were in order Motouji himself, Ujimitsu, Mitsukane, Mochiuji and Shigeuji.