《三国志·魏书·桓二陈徐卫卢传》
又晋封桓阶为安乐乡侯，食邑六百户，又赐给他的送你个儿子关内侯的爵位，桓祐因为是他的继承人，所以没有封侯，但他病逝以后，文帝又追赠他为关内侯。
后阶疾笃，遣使者即拜太常，薨，帝为之流涕，谥曰贞侯。
Huan Jie was promoted to Anle Township Hou again, with an income of 600 households, and was also given the title of Guan Nei Hou, who sent you a son. Huan You did not become a Hou because he was his heir, but after his death , Emperor Wen posthumously awarded him the title of Guan Nei Hou.