《宋史·列传·卷一百零四》
父亲刘航，进士及第，历任虞城、犀浦知县。虞城多奸猾之徒，喜欢掠夺盗窃；犀浦百姓懦弱而驯服。
刘安世，字器之，魏人。父航，第进士，历知虞城、犀浦县。虞城多奸猾，喜寇盗；犀浦民弱而驯。
His father, Liu Hang, was a jinshi and had served as magistrate of Yucheng and Xipu. Yucheng had many sly and cunning people who loved to rob and plunder; the people of Xipu were timid and obedient.