Some people said that Ietoki's Okibumi was a fake; however, there is a monjo (written material) described that KO no Moroaki who was a nephew of KO no Moronao, a grandson of Morouji and Takauji's steward, had the letter that Ietoki sent to his steward KO no Morouji, and Tadayoshi was deeply moved when he saw the letter and Tadayoshi sent his own writing draft of the letter to Moroaki and kept the official text of the letter on hand.
家時の置文には偽作説も唱えられているが、家時が執事高師氏に遣わした書状を、師氏の孫で尊氏の執事となった高師直の甥である高師秋が所持しており、直義がこれを見て感激し、師秋には直義が直筆の案文を送って正文は自分の下に留め置いた、という文書が残っている。