In later years, in a TV show "Sekaiichi uketai jugyo" (the lecture everyone wants to attend), Ietsugu was introduced as 'a shogun who was engaged at the age of seven and died at the age of eight.'
後年テレビ番組『世界一受けたい授業』では「7歳で婚約し、8歳で亡くなった徳川将軍」として取り上げられた。