However, the powerful individuals within the bakufu were anxious about entrusting government practices to Yoriie at such a young age and therefore senior vassals established a governing system called the 13-person parliamentary system which was in charge of court and government affairs instead of Yoriie.
しかし、幕府の有力者たちは、若年の頼家に政務を任せることに不安を抱き、有力御家人が頼家に代わって裁判と政務を執行する十三人の合議制と呼ばれる政治体制を築いた。