In addition, the Yamauchisudo clan of Bingo Province had an emblem made from a pledge in 1351, the period of the Northern and Southern Courts (Japan) to serve Fuyuji ASHIKAGA by unifying eleven members that became less unified due to divided inheritance.
また、備後国の山内首藤氏は、南北朝時代(日本)の1351年（貞和7）に、分轄相続によって結束力の薄れた一族11人が、一致団結して足利冬直につくことを誓約した文章が残っている。