The article of November 22 (lunar calendar), 1256 of "Azuma Kagami" (The Mirror of the East) states that 'However, they may remain gandai only in the head-of-the-family (Tokimune HOJO)'s childhood' when Tokiyori HOJO became a priest and handed the regency to Nagatoki HOJO.
『吾妻鏡』康元元年11月22日_(旧暦)条において、北条時頼が出家して執権を北条長時に譲る際に「但し家督（北条時宗）幼稚の程の眼代なり」と念を押している。