北条政子
820 years ago, in 1180, Minamoto no Yoritomo built his mansion here. Having consolidated his power, he ruled from this mansion, and his government was therefore called the Ōkura Bakufu. He was succeeded by his sons Yoriie and Sanetomo, and this place remained the seat of the government for 46 years until 1225, when his wife Hōjō Masako died. It was then transferred to .