The Konoe Family inherited important documents, diaries such as the diary of FUJIWARA no Michinaga called "Mido Kanpakuki," and records of the imperial court ceremonies, and Masaie transferred many of these ancient documents to Iwakura located at the northern edge of Kyoto to avoid damage from the battle fires arising from the Onin-Bunmei Wars.
近衛家は藤原氏嫡流として、藤原道長の日記『御堂関白記』をはじめとして、先祖代々の日記や朝廷儀式の記録など、重要な文書を相伝してきたが、政家は応仁・文明の乱に際し、これら大量の古文書を戦火の災いから避けるため、京都の北郊の岩倉に運び出しておいた。