《三国志·蜀书·二主妃子传》
穆皇后的兄长吴壹，年少时父亲就去世了，吴壹的父亲向来和刘焉有交情，所以带着全家随着刘焉到了蜀地。
兄吴壹，少孤，壹父素与刘焉有旧，是以举家随焉入蜀。
Empress Mu’s elder brother Was Yi. His father died when he was young, but his late father was a friend of Liu Yan, so he brought the whole family to Yi province.