《北史·列传·卷二》
大业五年，她跟着隋炀帝出行到达张掖，死在河西。诏令回京，有关方面准备葬礼，把宣皇后附葬于定陵。隋文帝的献皇后独孤氏，名叫伽罗，河南洛阳人，原是北周大司马、卫国公信的女儿。
隋文献皇后独孤氏，讳伽罗，河南洛阳人，周大司马、卫公信之女也。
In the fifth year of the Daye era, she followed Emperor Yang of Sui on his trip to Zhangye, where she died on the west bank of the Yellow River. She was ordered to be returned to the capital, and arrangements were made for her funeral, with Empress Xuan being buried in Dingling Mausoleum. Emperor Wen of Sui’s Empress Xian, née Dugu, was from Luoyang in Henan and was the daughter of Xin, the General-in-Chief (Dasima) of Northern Zhou and the Duke of Weiguo.