Shimazu Manor was developed in 1026 by Dazai no Daigen (director of the local government office in the Kyushu region) TAIRA no Suemoto and dedicated to Kanpaku (chief adviser to the Emperor) FUJIWARA no Yorimichi.
万寿3年(1026年)に大宰大監の平季基が開発し、関白の藤原頼通に寄進。