《资治通鉴·梁纪·梁纪二》
代理秦州刺史李韶偷袭孤山，抓获了吕苟儿的父母、妻子和儿女，庚辰，吕苟儿率领部下向元丽投降。
行秦州事李韶掩击孤山，获其父母妻子，庚辰，苟儿帅其徒诣丽降。
Li Shao, the acting Governor of Qinzhou, made a surprise attack on Gushan and captured Lü Gouer's parents, wife, and children. On Gengchen day, Lü Gouer led his men to surrender to Yuanli.