The death of Masanori who was favored by Tokimasa and Maki no kata triggered internal conflicts in the Kamakura bakufu (Japanese feudal government headed by a shogun) and in the Hojo clan, which led to Shigetada HATAKEYAMA Rebellion and Makishi Incident.
時政・牧の方鍾愛の子であった政範の死は、畠山重忠の乱、牧氏事件と続く鎌倉幕府、北条氏一族内紛のきっかけとなっている。