《后汉书·列传·郭杜孔张廉王苏羊贾陆》
羊续以忠臣子孙被拜为郎中，去官后，被征到大将军窦武府中。
续以忠臣子孙拜郎中，去官后，辟大将军窦武府。
Yang Xu was made a Langzhong for being a descendant of a loyal official. After leaving his official position, he was called to serve in the General’s mansion of Douwu.