After the Fujiwara four brothers died one after another in 737 due to an epidemic of smallpox, TACHIBANA no Moroe, the priest Genbo and KIBI no Makibi attempted to curtail the power of the Fujiwara clan, but they were overpowered by FUJIWARA no Nakamaro.
737年に天然痘の大流行で藤原四兄弟が相次いで病死すると、橘諸兄、僧玄昉、吉備真備らが藤原氏の突出を抑えようと努めるが、藤原仲麻呂により抑えられる。