This method of marrying a daughter to Emperor became a tradition of the Northern House of the Fujiwara clan and also the source of their status as the emperor's deputies and advisors.
この、娘を天皇家に嫁がせる手法は、藤原北家の伝統となり、天皇の代理者・補佐者としての地位の源泉ともなっていった。