After the Battles between the Minamoto clan and the Taira clan, MINAMOTO no Yoritomo, who was the Kamakura shogun and Torii zenni's nephew, rewarded Torii zenni for her contribution during the battles, and she became an immediate vassal of the Kamakura shogunate.
鳥居禅尼は源平の乱後、乱中の数々の功績によって、甥に当たる将軍源頼朝から恩賞を受け、鎌倉幕府の御家人になった。