Since SOGA no Akae lost his influence due to the Jinshin War, the Soga clan (also known as the Ishikawa clan) had been in a weaker position than the Fujiwara clan and members of Imperial family.
蘇我赤兄が壬申の乱で没落した以降の蘇我氏（石川氏）は、藤原氏や諸皇族等に押され気味であった。