It seems that the Emperor Yuryaku extended what his older brother Emperor Anko did to powerful local ruling families (considered as powerful as imperial families?) as well as imperial families.
兄である安康天皇の事跡を、雄略天皇が皇族だけでなく、有力豪族（皇族クラスと当時思われていた？）にも拡大適用して行った様に見える。