Background
He was a native of Mito (Ibaraki Prefecture) in 1656.
安積濟泊
He was a native of Mito (Ibaraki Prefecture) in 1656.
He studied while still young under Chu Shun-shui, a Chinese scholar, at the order of Lord Mitsukuni Tokugawa of Mito.
In 1693, he became director of the Shoko-kan (History Institute) of the Mito Clan and chief compiler of Dai Nihonshi, or History of Great Japan, at the order of Mitsukuni