Particularly, the NAGOE family which was the descendent of Tomotoki HOJO, was in strong rivalry with the main branch of the Hojo clan (later called Tokuso), and Mitsutoki NAGOE and others aggravated discontent.
特に泰時の次弟・北条朝時を祖とする名越家は北条氏嫡流（のち得宗と呼ばれる）に対抗心が強く、名越光時らは不満を募らせていた。