In March, 1183, Yoritomo's shogunal retainers (of the Kamakura bakufu) were in Suruga Province (now part of Shizuoka Prefecture) to defense against the Taira clan which was said to attack Kamakura.
寿永2年（1183年）2月、頼朝の御家人らは鎌倉に襲来すると風聞された平氏のため駿河国に在った。