《旧唐书·列传·卷一百二十二》
咸通十三年，令狐綯以本官职担任凤翔尹、凤翔陇州节度使，晋爵封为赵国公，享受食邑三千户。
十三年，以本官为凤翔尹、凤翔陇节度使，进封赵国公，食邑三千户，卒。
In the thirteenth year of Xiantong, Linghu Xu held the official position of Fengxiang Yin and Fengxiang Longzhou Jiedushi, and was promoted to the title of Duke of Zhao, enjoying 3,000 households of food and clothing.