For example, there is a theory that the Imagawa family placed little Ieyasu under their custody in Suruga Province, treating him as a member of their junichimon (associate family), and Ieyasu was left to Yoshimoto's care as 'an apprentice of the government affairs,' rather than as a hostage.
例えば、幼少期の家康を駿河国に留め置いたのは今川家の準一門扱いとして厚遇であり、人質というよりも「政務見習い」として預けられたという物である。