However, not only did the family suffer Yorisada's squandering during his lifetime, but also the businesses it had launched after his death in 1954 to pay off the debt made by him failed one after another, and furthermore, a scandal took place in the family; thus, during the post-war period, the Kishu family fell victim to the burning curiosity of the mass media.
しかし、頼貞の生前の散財に加え、頼貞が1954年に没した後に借金返済のために遺族が興した事業は次々と失敗に終わり、更に家庭内のスキャンダルも重なったため、戦後はマスコミの格好の餌食となった。