《北齐书·列传·卷十八》
父干，魏朝白水郡郡守。因干被姑父高氏收养，所以就随了姑父的姓。
父干，魏白水郡守，为姑婿高氏所养，因从其姓。
His father Gan was the governor of Bai Shui County during the Wei Dynasty. Gan was adopted by his maternal uncle Gaoshi, so he took his maternal uncle's surname.