As a close associate of Ieyasu TOKUGAWA, Suden was also a politician known as 'Kokui-no-Saisho' who was involved in diplomacy and the administration of Shinto shrines and Buddhist temples.
崇伝は徳川家康の側近として外交や寺社政策に携わり、「黒衣の宰相」と呼ばれた政治家でもあった。