According to the "Buyashokudan," during Ietsuna's childhood, when he went up to the keep of Edo-jo Castle shortly after his assuming the position of Shogun, an attendant invited him to look through a telescope, but Ietsuna refused, saying, 'Even though I am young, I am still a Shogun.
『武野燭談』に拠れば、家綱の将軍就任から間もない幼少期のことであるが、江戸城天守閣へ登った際、近習の者が遠眼鏡をすすめたが、「自分は少年ながら将軍である。