《魏书·列传·卷八十五》
天兴初年，司马德宗授任桓玄为使持节、督交、广二州诸军事、建威将军、平越中郎将、广州刺史。
天兴初，德宗以玄为使持节、督交广二州诸军事、建威将军、一越中郎将、广州刺史。
At the beginning of Tianxing, Sima Dezong appointed Huan Xuan as the governor of Jiaozhou and Guangxi Prefecture, Jianwei General, Pingyue Zhonglang General, and Governor of Guangzhou.