The lawful wives of the Ashikaga clan had been selected from the Hino family since the marriage of Yoshimitsu ASHIKAGA, and Keijuin was the first lawful wife from Sekke (line of regents and advisers).
足利氏の正室は足利義満以来、日野家から迎えられてきたが、ここにおいて初めて摂家から正室を迎えたのである。