During the same period in which Iemitsu was shogun, Tadataka OKUBO gave a favorable assessment of Iemitsu in "Tales from Mikawa," describing how Iemitsu was shy during boyhood but followed in the footsteps of Kiyoyasu MATSUDAIRA, Ieyasu's grandfather.
同時代では、大久保忠教は『三河物語』において、少年時代の家光は内気であるが家康の祖父松平清康に通じる、との好意的評価をしている。